Message type: E = Error
Message class:  RPM_RELATE_MSGS - Messages for Portf. Mgmt Objects 
Message number: 006
Message text: Task-role relationship
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The SAP error message RPM_RELATE_MSGS006 typically relates to issues with task-role relationships in the SAP Project Management (RPM) module. This error can occur when there is a problem with the assignment of roles to tasks within a project.
Cause: Missing Role Assignment: The role that is supposed to be assigned to a task is not defined or is missing. Invalid Role: The role assigned to the task may not be valid or may not exist in the system. Task Status: The task may be in a status that does not allow for role assignments. Authorization Issues: The user may not have the necessary authorizations to assign roles to tasks.
Configuration Issues: There may be configuration issues in the project management settings that prevent proper role assignment.
Solution: Check Role Definitions: Ensure that the roles you are trying to assign to the task are correctly defined in the system. Validate Task Status: Check the status of the task to ensure
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