Action manager: Transferred object not initialized

What causes this issue?

The action manager was called up by the calling program with an invalid
context (action manager runtime object).
An error exists in the calling program.

System Response

The action manager cannot perform the required task. It is possible
that the program has to be terminated, or that processing cannot be
continued.

How to fix this error?

The program including the action manager must be corrected.
Contact the program author - if the program involves one delivered by
SAP, contact SAP.

Error message extract from SAP system. Copyright SAP SE.