3619026 - ISU_EVER: Warning message during file conversion of archiving object ISU_EVER

During the conversion of archives for the object ISU_EVER with the report RSARCH_CONVERT_TO_ILM, the system issues the following error message in the log:
LRM_RULE_EXEC 317 - Value determination via callback failed for condition field DOCUMENT_DATE
Long text:
The value determination for the field DOCUMENT_DATE of the ILM object ISU_EVER failed in the following callback method:
Class: CL_BADI_IRM_ISU_EVER
Method: IF_BADI_IRM_OT_STT~GET_START_DATE

SAP for Utilities as Part of SAP ERP, release IS-UT 600 and higher
SAP S/4HANA, release IS-UT 801 and higher

warning message, file conversion, archiving object, ISU_EVER, delta runs, empty runs, DOCUMENT_DATE, callback method, CL_BADI_IRM_ISU_EVER, IF_BADI_IRM_OT_STT~GET_START_DATE, RSARCH_CONVERT_TO_ILM, SAP_ISU_EVER , KBA , IS-U-TO-ARC , Archiving , IS-U , Utilities , Problem