Message Number list used by SAP ABAP Function Module CRM0_DEACTIVATE_MASS_HANDLING (Deactivate Mass Handling)
SAP ABAP Function Module CRM0_DEACTIVATE_MASS_HANDLING (Deactivate Mass Handling) is using
# Object Type Object Name Object Description Note
     
1 Message Number  C_ - 309 You can delete the scheduled background job
2 Message Number  C_ - 310 Processing of all mass queues is now starting (&1)
3 Message Number  C_ - 326 Deactivate mass data handling for object (class) &1 first