Error deleting ABAP/4 dictionary objects for fields (request &)

What causes this issue?

ABAP/4 dictionary components of fields in the field catalog could not
be deleted or could only be partially deleted.

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?

Call up the function again.
If an error occurs, check in the ABAP/4 dictionary which of the objects
cannot be deleted.
If an error has occurred, call up deletion program RDDMASG0 with the
name of the request and check the new error log issued on the screen.
You can also try to delete individual objects directly using the ABAP/4
dictionary transaction. The system issues messages if a problem has
occurred.
You can display the objects in the deletion request using transaction
SE01: Entry of the order, function "Display", call up of the editor.
When you have made the necessary corrections, start the transaction for
deleting the fields in order to delete the fields from the field
catalog.

Error message extract from SAP system. Copyright SAP SE.