Message type: E = Error
Message class:  UDM_BUPA_MSG - FSCM-CM: Messages for Collections Management (Master Data) 
Message number: 026
Message text: Standard assignment BP &1: Specialist &2 does not belong to group &3
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The SAP error message UDM_BUPA_MSG026 indicates that there is an issue with the assignment of a business partner (BP) to a specific group. The message states that the specialist (in this case, a user or role) does not belong to the specified group. This can occur in various scenarios, particularly in the context of SAP Customer Relationship Management (CRM) or SAP S/4HANA. Cause The error typically arises due to one of the following reasons: Incorrect Group Assignment: The specialist (user or role) is not assigned to the group that is required for the business partner's assignment. Authorization Issues: The user may not have the necessary authorizations to access or modify the business partner in the specified group.
Configuration Issues: There may be a misconfiguration in the business partner settings or group definitions in the system. Solution To resolve this error, you can take the following steps: Check Group Assignment: Verify that the specialist (user or role) is correctly assigned
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