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"A Javascript Error Occurred" with no additional explanation

New Here ,
Nov 04, 2021 Nov 04, 2021

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Hi!

I'm working on a project for school that involves some simple animation and basic scripting on a HTML 5 canvas. My issue is that when I go to test the animation, I get a "A javascript error occured" message, and I'm at a loss as to what could be causing it.

 

I have some scripting in actions, but even if I completley delete this scripting, I still get the error message when testing the movie. I saw that there was another post with the same error message a few years back, and their fix was to restart animate, restart the computer and try unchecking "export image assets" under publish settings.

javascript error.png

I'm at a loss! 

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Community Expert ,
Nov 04, 2021 Nov 04, 2021

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If you attempt this on a different computer - do you recieve the same error message? It may be this particular installation has issues.

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New Here ,
Nov 04, 2021 Nov 04, 2021

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Yes, I've got another machine with Animate 2022 installed and I get the exact same message unfortunately.

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Community Expert ,
Nov 04, 2021 Nov 04, 2021

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It likely has more to do with the file itself then... one thing to try: File > Convert To... > ActionsScript 3.0 - once that file is created, convert it back to HTML5 Canvas to see whether he conversion fixes any file-based problem. The original file will be preserved. 

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New Here ,
Nov 05, 2021 Nov 05, 2021

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Thanks for your reply, I have converted it to Actionscript 3.0, and back to HTML 5, but I'm still getting the same Javascript error message when testing or trying to publish the animation.

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New Here ,
Mar 26, 2023 Mar 26, 2023

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Was this ever solved? I am having the same issue. 

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Community Expert ,
Mar 26, 2023 Mar 26, 2023

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@fortunalight 

 

comment out all your code and insert an initial empty keyframe on your main timeline.  test

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New Here ,
Mar 26, 2023 Mar 26, 2023

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I am still getting the same error. I cannot preview or publish my document.

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Community Expert ,
Mar 26, 2023 Mar 26, 2023

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save with a name.

then remove half the main timeline frames

test

 

if that triggers the same error, remove the half of the main timeline.

test

 

results?

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New Here ,
Apr 29, 2024 Apr 29, 2024

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Same error here....i've uninstalled and reinstalled animate...make all updates and upgrade..  no solutions found..  unfortunately...no support from adobe...  so I need to remake my symbols... 😞

 

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Community Expert ,
Apr 29, 2024 Apr 29, 2024

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upload your fla somewhere and post a link

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New Here ,
May 26, 2024 May 26, 2024

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Hello we're encountering this error too.
It's only happening on my colleagues machine with the same files that work on mine.
When she tries to publish or test a HTML/JS output it throws 'A Javascript error occurred.' and hangs.
The process is stuck on '2 of 4: Convert to JSX'
We've been using this set up for years and its the first time we've encountered this.
Was there any update?

 

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Community Expert ,
May 26, 2024 May 26, 2024

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no.

 

if restarting the problematic computer doesn't work, have them reset their preferences.

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New Here ,
May 26, 2024 May 26, 2024

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I can't believe the old 'have you tried restarting' IT response actually worked. Thank you so much!

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Community Expert ,
May 26, 2024 May 26, 2024

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you're welcome.

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Community Beginner ,
Jun 27, 2024 Jun 27, 2024

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ttt.JPG

체크 해제 하세요~

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Community Beginner ,
Dec 12, 2024 Dec 12, 2024

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LATEST

Unclicking the 'Optimize image dimensions' from above screenshot fixed the issue for me.

Im building out different sized digital banner ads; always start a new size from a previously sized one (ie starting with a 300x600; change document size to 160x600 and adjust existing assets / timeline). Thought it had something to do with that.

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