Please choose a valid source system.

What causes this issue?

You are attempting to display a history of key mapping statuses for a
source system that is <ZH>not</> allowed in <LS>Central Finance</>.

System Response

Display of key mapping statuses is <ZH>not</> possible.

How to fix this error?

Choose a source system that is supported by <LS>Central Finance</>. The
source system is either defined in the SLD (System Landscape Directory)
or its is defined in the <LS>Technical Settings for Business Systems</>
Customizing activity.

Procedure for System Administrators

For a list of possible source systems allowed in <LS>Central Finance</>,
please check the <LS>Define Technical Settings for Business Systems</>
Customizing activity.

Error message extract from SAP system. Copyright SAP SE.