The selections of all object types were removed

What causes this issue?

You have chosen the function Select on/off->Delete all selections. On
this and the following screens none of the object types will now be
displayed as selected.

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?

This is just for your information. No action is required.

Error message extract from SAP system. Copyright SAP SE.