Error in change document creation/analysis: &

What causes this issue?

Error during change document creation or evaluation.
The following errors may have occurred:
Nametab error
Change document item could not be inserted
Change document object could not be opened
Object name is invalid
Change document header could not be inserted
No CHANGEDOCUMENT_CLOSE was called for the last change document object.

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?

Error message extract from SAP system. Copyright SAP SE.