The problem is here "Can't find variable: VAR_RANDOM_LIST_VIDEO".
Make sure the value of the variable is correct.
You can check this in the variable inspector.
image.png

Is there a way to install previous version somehow? Not sure if I have the installation on PC
Seems it might be false call, sorry :) i added 100ms sleep waiter before each thread "success action" and it works fine now. Probably threads finished too quick before and it caused the crash. now its all fine
@yourfriendkarol C:\YOUR_FOLDER\BrowserAutomationStudio\apps - there are a previous versions of BAS