Error message:
Unable to execute script at line 20. Function theComp.layer().masterProperty is undefined.
That very same script runs on AE 2020 without any issues.
The code adds a premade comp to a timeline and then uses a csv to bring in some text to a placeholder. The that master property is created by another script, which runs without errors. It uses addToMotionGraphicsTempAs to create a master property for the text.
-Mika
Hi Kuprikki,
Thank you for reporting this bug. Are you experiencing this error with your own script or with a script from someone else? If the script is your own, the workaround at the moment is to use "comp.layer().essentialProperty" instead of "comp.layer().masterProperty" when running a script in the latest Beta versions of After Effects.
Recently, there have been some changes to make the terms & language used in After Effects' UI more equitable. As part of those changes, Master Properties have been renamed to Essential Properties ( created using the Essential Graphics panel. ) This work is ongoing and the issue you've reported is a case which is not yet automatically referencing the correct scripting method `.essentialProperty` when `.masterProperty` is called. We are looking to get this fixed as soon as possible.
Thank you again for reporting this issue. If you are experiencing this with a script that you are not able to edit, please direct the developer of the script to this post.
- John, After Effects Engineering Team
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