I don’t know that what’s mean for those?
The robot can’t got the path from last step?
What is the expression you have in your Flow Decision?
can you debug until that error, and show us Report_No_Revise variable and Report_No has?
It’s trying to take the first 11 characters of Report_No_Revise, but the value isn’t 11 characters long.
@yu_anan Can you print Report_No_Revise and Report_No and share here