Message type: E = Error
Message class:  MM_PUR_RFQ - Message class of MM PUR RFQ 
Message number: 036
Message text: Bidder &1 has already been assigned.
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The SAP error message MM_PUR_RFQ036 indicates that a bidder has already been assigned to a specific request for quotation (RFQ) in the procurement module. This error typically occurs when you attempt to assign a bidder to an RFQ that already has that bidder assigned.
Cause: Duplicate Assignment: The most common cause is that the bidder you are trying to assign is already listed in the RFQ. System Configuration: There may be system settings or configurations that prevent multiple assignments of the same bidder to a single RFQ. User Error: The user may not be aware that the bidder has already been assigned, leading to an attempt to reassign.
Solution: Check Existing Assignments: Review the RFQ to see if the bidder is already assigned. You can do this by navigating to the RFQ in the SAP system and checking the list of bidders. Remove Existing Assignment: If you need to reassign the bidder for any reason, you may
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