Transaction does not supply an interface. Maintain data flow manually

What causes this issue?

The transaction does not supply an interface from which the expected or
supplied container elements originate.
For this reason, only rudimentary help is available during data flow
maintenance.

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?

First check whether the transaction is maintained correctly.
Maintain the data flow manually.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.