How To Fix UCUW154 - No call parameters available

SAP Error Message - Details

• Message type: E = Error

• Message class: UCUW -

• Message number: 154

• Message text: No call parameters available

What causes this issue?

While starting the application in a new window, parameters were saved in
the system for the new window. These parameters no longer exist.

System Response

The start of the application in the new window will be terminated.

How to fix this error?

This error can occur when you use the browser functions Refresh or Back.
You should not use the navigation functions of the browser when running
Web Dynpro applications.
This error can also occur when system capacity is overloaded and the
memory area reserved for shared objects becomes too small. If this is
the case, end and restart the application. If the error caused by a
small memory area persists, report this problem to your system
administrator.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.