Message type: E = Error
Message class:  RPM_TEAM - Message Class for Team (Team Definition, Project Team) 
Message number: 028
Message text: Cannot assign work center & as team lead; correct input
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The SAP error message RPM_TEAM028 "Cannot assign work center & as team lead; correct input" typically occurs in the context of SAP Project Management or Resource Management when there is an issue with assigning a work center to a team lead role. Here are some potential causes, solutions, and related information for this error: Causes: Invalid Work Center: The work center you are trying to assign may not be valid or may not exist in the system. Authorization Issues: The user may not have the necessary authorizations to assign the work center as a team lead.
Configuration Issues: There may be configuration settings in the system that prevent the assignment of certain work centers to team leads. Inactive Work Center: The work center might be inactive or not properly set up in the system. Role Assignment: The user may not be assigned the correct role or profile that allows them to manage team leads. Solutions: Verify Work Center:
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