View planner video error with auto it

Hi there,
View planner local test run failed, AutoIt Error in view planner.exe “error in expression” line 11256. I don’t know what it means and can anyone help me please to fix this error ? Should I be worried about this error ?
Thank you experts !

AutoIt Error
Line 11256 (File “C:viewplanner.exe”):
Error: Error in expression.
