Action manager: Error inserting in table &1

What causes this issue?

A system error that cannot be defined more specifically occurred when
inserting in table &V1&.
The system return code had the value '&V2&'.

System Response

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

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.