Invalid Split Path

What causes this issue?

The Split Path is not correct. See Documentation here
<DS:DE.PRX_MSG_SPLIT_PATH>Data Element PRX_MSG_SPLIT_PATH</>

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?

Correct the Split Path.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.