Please switch to flexible workflow (WS75800050).

What causes this issue?

You have tried to trigger a workflow process, but the workflow
implemented in your system is based on the workflow template <AB>WS7
4300043</>, which is no longer supported for use in the <LS>Manage Bank
Accounts</> app.

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?

Switch to the workflow template <AB>WS78500050</> for the flexible
workflow. To do so, proceed as follows:
In Customizing, open the activity under <LS>Financial Supply Chain
Management</> -> <LS>Cash and Liquidity Management</> -> <LS>Bank
Account Management</> -> <LS>Maintain Event Type Linkage for Triggering
Workflow Processes</>.
In the Customizing activity, deactivate the event type linkage for the
following entry:
Object type: <AB>FCLM_CR</>
Event: <AB>CREATED</>
Receiver type: <AB>WS74300043</>
Activate the event type linkage for the following entry:
Object type: <AB>FCLM_CR</>
Event: <AB>CREATED</>
Receiver type: <AB>WS78500050</>

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.