Error popup need help to get rid -does not effect function

Situation
Get this popup whe creating fee sheet

OpenEMR Version
I’m using OpenEMR version 6.0.1

Browser:
I’m using: Chrome

Operating System
I’m using: Windows

Logs
Did you check the logs? yes
Was there anything pertinent in them?no
Please paste them here (surround with three backticks (```) for readability.
You can also turn on User Debugging under Administration->Globals->Logging User Debugging Options=>All

image