After effects error cached preview needs 2 or more frames to playback как исправить
Let’s fix the dreaded ‘Cached Preview’ error in After Effects.
If you’re reading this article then chances are you probably have just recently received the dreaded ‘Cached Preview Needs 2 or More Frames to Playback’ error in After Effects. This error usually leaves me feeling like this. but that doesn’t mean you can’t do something about it. In this article we’re going to talk about how to fix this common error. If you follow all of the steps below there’s a good chance that you’ll fix this error in only a matter of seconds. If you just want to fix the error you can follow the steps below, but first we thought it’d be helpful to talk about why you get this error in the first place.
What's the 'Cached Preview' Problem?
After Effects previews compositions by creating temporary video files that are stored on your machine. These files are known as ‘cached’ preview files and they come in two flavors: Disk Cache and RAM Cache files.
RAM cache files are the preview video files that After Effects plays when you hit the spacebar. The bright green bar at the top of the timeline indicates the portion of your composition that is playing off of your RAM. Most of the time when you get the ‘Cached Preview Needs 2 or More Frames to Playback’ error it is because there is not enough room on your RAM (memory) to load these temporary video files. Because After Effects utilizes RAM to playback preview files it’s advised that you have at least 8GB or RAM if not more in order to ensure that you have enough memory to playback large compositions.
Disk cache files are temporary video files that are typically rendered in the background while you’re working in After Effects. After Effects does not directly preview video from the disk cache. Instead video files from your disk cache are loaded into your RAM cache when you’re ready to preview. You can tell if a frame is rendered in the disk cache by looking for the dark blue bar at the top of the After Effects timeline. Disk cache files can be stored anywhere you want. You can even control how big your disk cache can get under the preferences menu.
How to Fix the 'Cached Preview' Error
Here’s a step-by-step guide for fixing the ‘Cached Preview Needs 2 or More Frames to Playback’ error in After Effects.
1. PURGE RAM CACHE (MEMORY)
The first thing you should do is purge your RAM. This will erase any temporary cache files currently stored in your memory. To do this navigate to Edit>Purge>All Memory. This will reset your RAM cache from scratch.
2. EMPTY YOUR DISK CACHE
You can also try emptying your disk cache. The fastest way to do this is to navigate to Edit>Purge>All Memory and Disk Cache. This will (obviously) purge both your RAM and Disk Cache.
3. CHANGE RAM RESERVED FOR OTHER APPLICATIONS
After Effects allows you to set how much RAM is available for other applications. This is especially important if you have multiple applications open at the same time. If you use After Effects a lot I recommend giving After Effects as much RAM as you can. Navigate to After Effects>Preferences>Memory… From the popup menu change the value of ‘RAM reserved for other applications’ to a low number.
4. CLOSE OUT UNNECESSARY APPLICATIONS
If you have a lot of applications open on your machine you may need to close them out so After Effects isn’t competing for memory. I have a nasty habit of leaving Premiere Pro open when I’m working on After Effects projects. Go ahead and close out any unnecessary applications. This includes Spotify and iTunes. Just listen to music on your phone if you can’t stand the silence.
5. CHANGE PREVIEW QUALITY
The fastest way to reduce the size of the file being written to your RAM is to reduce the preview quality on your machine. To change this hit the menu at the bottom of the composition panel. By default it should be set to ‘Auto’. If you have a complicated project that won’t render go ahead and reduce this to half, third, or quarter. There’s also some handy keyboard shortcuts for doing this:
6. INCREASE DISK CACHE SIZE
You also might be running into an issue where your disk cache is simply not large enough to effectively render in the background. To troubleshoot this go to After Effects>Preferences>Media & Disk Cache. Once the popup window appears increase the size of your disk cache. I like to keep mine above 50GB, which should be more than enough for most projects.
7. UNCHECK ‘REDUCE CACHE SIZE WHEN SYSTEM IS LOW ON MEMORY’
Some people have found success by navigating to After Effects>Preferences>Memory… and deselecting the ‘Reduce cache size when system is low on memory’ button.
8. CHANGE DISK CACHE LOCATION
One common problem that people have when it comes to rendering in After Effects is placing their project files and their disk cache on the same drive. This can bog down your machine as After Effects will read and write files simultaneously to the same drive. Instead it is recommended that you separate your disk cache and project files across two separate drives. I typically have my project files on an external SSD and my disk cache on my local storage.
To change your disk cache location navigate to After Effects > Preferences > Media and Disk Cache and select ‘Choose Folder’ under Disk Cache.
9. SAVE AND CLOSE AFTER EFFECTS
While it may seem obvious sometimes this error can be often be solved by simply closing out After Effects and opening it back up. In my experience this will fix the problem for a few preview renders, but the error will likely pop-up again.
10. CLEAN DATABASE & CACHE
If you’ve made it this far and are still seeing that dreaded error it’s not the end of the world, but we will need to start getting creative. Try cleaning the database and cache by navigating to After Effects > Preferences > Media and Disk Cache. Once you’re there, hit ‘Clean Database & Cache’.
11. SET WORK AREA TO THE APPROPRIATE DURATION
Sometimes this annoying error can be fixed by setting your work area to the exact length that it needs to be. You can very quickly change your previewable work area by using the B and N keys to set the start and end of your work area.
12. SET YOUR REGION OF INTEREST
You’ve likely accidentally set your region of interest once or twice when working in After Effects, but this little-used tool can actually be very helpful when you’re trying to preview a small portion of your video frame in After Effects. In short, After Effects will render a smaller portion of the video instead of the entire frame. You can activate the ‘Region of Interest’ tool by navigating to the small region of interest button at the bottom of the composition panel.
13. OPTIMIZE YOUR EFFECTS
Not all After Effects are created equal. Some effects like the Lens Blur effect are simply much more intense on your machine than say a Fast Box Blur effect. Before you give up on your project try changing out any effects that may be unnecessary for your scene.
14. ORGANIZE YOUR PROJECT
Ask yourself if you’ve organized your project in an efficient and practical way. A project with hundreds of pre-comps and unnecessarily large asset files could possibly benefit from some better organization. It may be tempting to want to just hop into a big project and start animating, but this is actually a fast way to get lost in a disorganized project. Spend some time on the front-end to plan out your project and you might not end up with the ‘Cached Preview’ error.
15. RENDER INSTEAD OF PREVIEWING
While this is certainly not what After Effects was designed to do one solution that could work would be to render out your project in the Render Queue instead of previewing the project in After Effects. For example, if you’re working on a huge Element 3D sequence it might make sense to work in the wireframe preview mode until you’re ready to export. In a way this method of animating is very similar to a 3D pipeline, we’ve just been spoiled by After Effects’ quick previews inside of the composition.
16. OPTIMIZE YOUR MACHINE
It’s time to take a look at your computer. We all know that After Effects is an incredibly intense program to operate. If you’ve optimized your project and are still receiving an error it might be time to consider upgrading your hardware. The first place to look would be your RAM (because that’s where RAM cache is stored), but honestly if any part of your system is lacking it can bring the whole animation process to a screeching halt. Go check out Adobe’s recommended system specs to get an idea for the type of machine you should be running. Sure a system upgrade can cost some money, but if you’re working in After Effects every day it is definitely worth it.
So that is every way that we were able to find that could potentially fix the ‘Cached Preview Needs 2 or More Frames to Playback’ error in After Effects. If you want to learn more about After Effects check out the rest of the site here on School of Motion. Hopefully this error hasn’t completely ruined your day, but look on the bright side. a bad day in After Effects is better than a good day at a ‘normal’ job.
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/t5/after-effects-discussions/after-effects-quot-error-cached-preview-needs-2-or-more-frames-for-playback-quot-please-help/td-p/8774341 Jan 21, 2017 Jan 21, 2017
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I am having a problem with after effects where im getting the error message that says "ERROR: CACHED PREVIEW NEEDS 2 OR MORE FRAMES FOR PLAYBACK". Ineed to track something and whatever i do i keep getting this message. Please help!!
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1 Correct answer
I tried all of the advice online, and nothing worked for me. I was using the puppet tool on photoshop assets, as soon as I changed the puppet engine from Advanced to Legacy, my content reappeared in the preview window, and I was able to Ram Preview like normal. If this is happening in your comp, make sure to change the puppet engine on all your layers that are using it.
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exact Ae versions?
exact Os numbers?
try these two basic scenarios?
1. make sure your work area is not accidentally only one frame long
2. purge all memory: edit->purge->all memory and disk cache
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thanks man. that was exactly it. So weird.
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Спасибо! Только это помогло
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Did you ever get this solved? Which issue was it? Please let us know, so we can make sure that you're OK, and—for the edification of others.
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I have tried everything to fix this same issue! need help have a major deadline. anyone luck on this
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Sorry for this issue. What kind of footage are you working with?
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This is driving me INSANE. I can't even think about starting this project over from scratch. All of the footage is is comprised of Photoshop/illustrator artwork and a simple Audio clip. This is the actual project I am recreating for class
I have literally tried EVERYTHING, every trick on the internet NO LUCK. Most people I have spoke said that they have never seen this issue last for this long.
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Something in these files seems to be tripping the system up. What happens if you use standard video files?
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I am not sure what you mean by use standard video files? I am not having any issues with my other AE files however something in the file is causing this error and I need to figure this out in order to finish my project with out started from scratch.
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For persistent causes of this issue, today's bug fix update should solve it.
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Значение слов
Работа над ошибками
Необходимо установить обновление Adobe After Effects CC (12.1) Update и выше, при установке обновления 12.2 и выше необходимо использовать следующую методику.
Если при попытке поставить или скачать обновление, получаем ошибку: The most likely causes for this failure are an inability to connect to the internet or being logged in as a non-administrative user. То вот следующие методы решения проблемы: удалить или переименовать, файл в следующих директориях:
Mac OS X / Library / Application Support/Adobe/AAMUpdaterInventory/1.0/AdobeUpdaterAdminPrefs.dat. Или / Library / Application Support/Adobe/AAMUpdater/1.0/ AdobeUpdaterAdminPrefs.dat.
Windows C:\Program files(x86)\common files\adobe\AAMUpdaterInventory\1.0\AdobeUpdaterAdminPrefs.dat.
Или искать файл в этой папке: C:\Program Data\Adobe\AAMUpdater\1.0\AdobeUpdaterAdminPrefs.dat.
И далее вручную ставим скачанное обновление.
3. Ошибка при загрузке программы: «After Effects warning: An unknown Adobe Player Engine error has occurred. Scripting will be disabled.«. Вариант решения проблемы: попробовать поставить последнее обновление, переустановить или если есть ошибки в работе Adobe Media Encoder, переустановить и его.
5. Ошибка при проигрывании таймлайна композиции: After Effects error: Cached Preview needs 2 or more frames to playback / After-Effects Fehler: Wiedergabe einer Cache-Vorschau benotigt mindestens 2 Frames. Данная ошибка связана с недостатком памяти.
Несколько вариантов решения проблемы:
— Чистим память командой: Edit > Purge > All Memory & Cache.
— Перезагружаем программу Adobe After Effects CC 2017.
— Включаем Enable Disk Cache, если данная опция включена, то чистим ее содердимое нажав на кнопки: Empty Disk Cache и Clean Database & Cache, в настройках программы: Edit > Preferences > Media & Disk Cache.
— Снижаем качество предварительного просмотра в окне композиции с Full на Quarter.
— Проверяем наличие свободной памяти в Диспетчере задач. Т.е. память может быть занята какими-то процессами, или наоборот, для превью используется только часть свободной памяти, выделенной для Adobe After Effects CC 2017.
— Снимаем галку перед пунктом Reduce Cache Size when system is low on memory (this will shorten cached preview) в настройках Edit > Preferences > Memory.
— Также стоит обратить внимание на размер файла подкачки и чтобы достаточно памяти было выделено для операционной системы: RAM reserved for other applications.
— Проверяем, чтобы рабочая область (Work Area) не находилась в следующем положении:
6. Ошибка: After Effects warning: Unspecified drawing error. Решение: сбрасываем рабочее пространство до дефолтного (делаем его по-умолчанию).
How to Fix Cached Preview in After Effects
Here are a few tried-and-true ways to prevent this aggravating error message in After Effects.
One of the most stomach-churning error notifications you can get while working in After Effects is the dreaded “After Effects error: Cached preview needs two or more frames to playback.” Goatman Arts notes that if you’re using a third-party plugin like Element 3D or using 3D cameras in your project, expect the workflow for this solution to be a bit more in-depth. These aren’t guaranteed to work every time, but they may help you prevent the error.
One of the most stomach-churning error notifications you can get while working in After Effects is the dreaded “After Effects error: Cached preview needs two or more frames to playback.” Goatman Arts notes that if you’re using a third-party plugin like Element 3D or using 3D cameras in your project, expect the workflow for this solution to be a bit more in-depth. These aren’t guaranteed to work every time, but they may help you prevent the error.
Purging
Go to Edit > Purge > All Memory and Disk Cache. Essentially, this is just emptying your RAM cache, and as he so lovingly puts it, cache is just where After Effects stores its results of your current render. So, this is just one possible solution that doesn’t always work, so let’s try out a few other methods to get past this hiccup.
Empty Disk Cache
Above your clips in the timeline, you should see a thin green bar spanning the width (hopefully) of your selected clip. This green bar represents the RAM cache, so by Purging in the previous step, you should no longer see this green bar. Most likely, you’ll see a thin blue bar atop your clips. This is how After Effects writes content to RAM quicker.
To clear this blue bar, go to Preferences > Media and Disk Cache > Empty Disk Cache. This should clear all renders. He also recommends hitting Clean Database and Cache while you’re still in the Preference window.
Close Everything
A simple yet sometimes-overlooked solution to this problem lies with how many applications and programs you have running while working in After Effects. Also, try changing the quality of your preview footage from Full to Half or Third. This might help with rendering.
Re-Importing Rendered Clips
This one is a bit of a stretch, but you could try rendering out what you can and re-importing the clip into the timeline. This is a perfectly viable solution to the problem, but it is a major disruption to your workflow. Select Lossless in your rendering queue, then change your Channel in Video Output from RGB to RGB +Alpha. This will give the clip a transparent background so you can re-import it back onto your footage.
One last tip: Goatman also recommends going to Preferences > Memory then uncheck the box next to “Reduce Cache size when system….”
Know of any other solutions to this frustrating problem? Let us know in the comments.
What this error does is mess around with your preview. Every time you preview your project, this error message pops up and we all know how important previewing our work is.
After Effects constantly stores the files that are used to preview render in a folder on your hard drive, so that they can be easily accessed in the future without having to re-render each time. This folder is known as the Disk Cache, and as it grows full over time, it can cause problems within the program. Output Module Failure is no exception.
This step is really simple. Just go through "Edit" then "Preference" and select "All Memory and Disk Cache".
To do this, you need to navigate through "Edit" then "Preference" and select "Media & Disk Cache". Simply click the "Empty Disk Cache" tab to clear all materials on your disk cache folder.
If the problem is still there or it gets worst, try moving your "Current Time Indicator" and then try to preview your project.
In case of worst case scenario or none of the methods listed about work, then it's time to check whether you could properly run Adobe After Effects or not.
The fact is, After Effects eats a lot of memory space and it's really recommended that you go beyond the requirements for running this video editing software. Also, if you have other apps opened while After Effects are running, then I suggest that you close them as it will definitely give you lags and hiccups while editing your videos.
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