Message type: E = Error
Message class:  MDG_BS_BP_MLT_AS - Messages for multiple assignment function 
Message number: 020
Message text: Object type code &1 is already assigned to assignment category &2
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The SAP error message MDG_BS_BP_MLT_AS020 indicates that there is an issue with the assignment of an object type code to an assignment category in the Master Data Governance (MDG) for Business Partner (BP) module. Specifically, it means that the object type code you are trying to assign is already linked to the specified assignment category, which is causing a conflict.
Cause: Duplicate Assignment: The object type code is already assigned to the specified assignment category in the system. This can happen if there was an attempt to assign the same object type to the same category multiple times.
Configuration Issues: There may be a misconfiguration in the MDG settings where the same object type is incorrectly set up to be assigned to the same category. Data Integrity Issues: There might be inconsistencies in the data that lead to this error, such as incorrect entries in the configuration tables.
Solution: Check Existing Assignments: Go to the relevant
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