Object name &1 must be alphanumeric

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

What causes this issue?

The object name can only be made up of characters "
ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_" (without spaces inbetween).

System Response

How to fix this error?

Assign a name in accordance with the rule specified above.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.