The "Stop Running this Script"
issue can be caused by many reasons. Most common it appears because some scripts may take an excessive amount of time to run. Unfortunately there is no easy way to resolve the problem without debugging the java script code. That's why we need to inspect your code. Please paste it to see how you implement your drag and drop functionality. Make sure that the script doesn't get in infinite loop.
If you would like to receive a faster responses I would suggest that you open a regular support ticket. You will be able to do that if you upgrade your license. Here
you can find more information about the response time delay.
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