3462596 - How to analysis job related issues when Mass Change of sales documents fail to update data

Some issues might happen in Mass Change fiori app:

1. Issue 1: Job is not generated at all:
   • In Fiori page, it shows message 'Job submission failed'
   • In SAPGUI of backend system, check SM37, there is no job generated at all
   • In F12, console tab, following JavaScript error appears:
     

     Request failed with status code 400: POST SlsDocReq?sap-client= [{"code":"CX_APJ_RT","message":"An exception was raised","persistent":true,"targets":["/SlsDocReq"],"type":"Error"},{"code":"CX_SD_MCC_SDOC_MASS_CHANGE","message":"An exception was raised","persistent":true,"targets":["/SlsDocReq"],"type":"Error"},{"code":"/IWBEP/CX_MGW_BUSI_EXCEPTION","message":"An exception was raised","persistent":true,"targets":["/SlsDocReq"],"type":"Error"}] sap.ui.model.odata.ODataMessageParser

2. Issue 2: Job gets scheduled and finished without error, but data is not changed
   • In standard, Mass change Fiori APPs use RFC call FM SD_MCC_SDOC_MASS_PROCESS to update data. Normally, in ST12 trace, we should be able to see an Rfc entry(see the entry marked as 2 in following screenshot). Inside 'ABAP trace' of this entry, we will be able to see calls to FM SD_MCC_SDOC_MASS_PROCESS. But when issue happens, this entry doesn't exist in ST12 trace.
   • From ST12 trace, there is an entry by user SAPSYS(see the entry marked as 1 in following screenshot). In this entry, we cannot see calling to CL_SD_MCC_SDOC_MASS_CHANGE=>ORCHESTRATE_PARALLEL_TASKS and RFC SD_MCC_SDOC_MASS_PROCESS, instead, this appears:
     CALL METHOD CL_SD_MCC_SDOC_UTILITY=>IF_SD_MCC_SDOC_UTILITY~RAISE_EXCEPTION_FROM_SYS_MSG 
     

*Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental. 

• Sales and Distribution (SD)
• SAP S/4HANA

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