Message type: E = Error
Message class: /PM0/ABX_CUSTOMIZING - Messages from Maintenance Views
Message number: 004
Message text: You must delete business transaction &1 beforehand in Customizing
To be able to delete the selected business transaction, you must first
delete it in the Customizing activity <DS:SIMG./PM0/ABU_PBTXCTR>Define
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.