Symptoms:
The following error message appears in a custom column cell when running the report.

"(#RANGE!): Substring requested falls out of the string's range."

Cause:
Web TimeSheet detects most formula errors when the formula is saved. However, some errors – called run-time errors – are indicated by an error code displaying in the report cell after the report is generated.

Resolution:
The formula has a logical error and need to be fixed to overcome this error.