How To Fix /PM0/ABG_PR_MESSAGES031 - You cannot save data because an assignment is missing

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/ABG_PR_MESSAGES -

• Message number: 031

• Message text: You cannot save data because an assignment is missing

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/ABG_PR_MESSAGES031 - You cannot save data because an assignment is missing ?

  The SAP error message /PM0/ABG_PR_MESSAGES031 indicates that you cannot save data because an assignment is missing. This error typically occurs in the context of project management or related modules where certain assignments or relationships between objects (like tasks, resources, or other entities) are required for the data to be saved successfully.
  Cause:
  
  Missing Assignment: The most common cause is that there is a required assignment (e.g., a task not assigned to a resource, or a project not linked to a specific work breakdown structure) that has not been made.
  Incomplete Data: There may be incomplete or incorrect data entries in the fields that are mandatory for saving the record.
  Configuration Issues: Sometimes, the system configuration may require certain assignments that are not set up correctly.
  Authorization Issues: Lack of proper authorizations to make certain assignments can also lead to this error.
  
  Solution:
  
  
  Check Assignments: Review the data you are trying to save and ensure that all required assignments are made. This may involve checking:
  
  Task assignments to resources.
  Project assignments to work breakdown structures.
  Any other relevant relationships that need to be established.
  
  
  
  Complete Required Fields: Ensure that all mandatory fields are filled out correctly. Look for any fields marked with an asterisk (*) or highlighted in red.
  
  
  Review Configuration: If you suspect a configuration issue, consult with your SAP administrator or a functional consultant to verify that the system settings are correct and that all necessary assignments are defined.
  
  
  Check Authorizations: Ensure that you have the necessary permissions to make the required assignments. If not, contact your system administrator to obtain the necessary access.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to the module you are working in, as the requirements for assignments can vary by context.
  
  
  Debugging: If you have access to debugging tools, you can trace the process to identify where the assignment is missing.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using specific transaction codes related to project management (like CJ20N for project planning).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Forums: Consider visiting SAP community forums or user groups where similar issues may have been discussed.
  
  If the problem persists after checking these areas, it may be beneficial to reach out to SAP support for further assistance.