SAP Message 62436 - Service charge key "&" is unknown

Diagnosis
You have entered service charge key "&V1&".
However the system does not recognize this service charge key.

System Response
The system does not accept your entry.

Procedure
Enter a service charge key that the system recognizes. Press F4 for alist of the service charge keys defined.
If the key you are looking for does not exist, inform your systemadministrator.

Procedure for the system administrator
Check and correct the settings for the service charge key inCustomizing as required.