Transaction code & is not defined ( notify system support )

What causes this issue?

The transaction code &V1& is not listed in table TSTC. However, the
information from this table is needed so that the subsequent screens
within a transaction can be named and the additional screens can be
found in table T019W.

System Response

Abnormal termination of current activity (for example, batch input
session creation, update).

How to fix this error?

Contact person in charge.
Maintain table TSTC or check to see if the transaction code
transferred to the function module "NEXT_DYNPRO_SEARCH" is correct.

Error message extract from SAP system. Copyright SAP SE.