TOPIC:

If a script uses division between two variant variables, and the divisor variable hasn't been initialized, the application crashes after a "divide by 0" exception. Try-except doesn't help (either in the script or in the code calling the script).
To fix the error, add an explicit assignment statement to the uPSRuntime.pas file, starting at line 6072 (after begin):

Thanks Sir
We add your fix to LAB CT ver 9.0.