How To Fix /PM0/ABB_MESSAGES887 - More than one assignment must exist for dependency &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/ABB_MESSAGES -

• Message number: 887

• Message text: More than one assignment must exist for dependency &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/ABB_MESSAGES887 - More than one assignment must exist for dependency &1 ?

  The SAP error message /PM0/ABB_MESSAGES887 indicates that there is an issue with a dependency assignment in the system. Specifically, the message states that "More than one assignment must exist for dependency &1." This typically occurs in the context of maintenance planning or project management within SAP, particularly when dealing with dependencies between tasks or activities.
  Cause:
  
  Multiple Assignments Required: The error suggests that the system expects multiple assignments for a specific dependency, but it has found either none or only one. This could be due to incorrect configuration or data entry.
  Data Integrity Issues: There may be inconsistencies in the data related to the dependencies, such as missing or incorrectly linked tasks.
  Configuration Settings: The settings in the system for handling dependencies may not be correctly configured to allow for the expected number of assignments.
  
  Solution:
  
  Check Dependency Configuration: Review the configuration settings for dependencies in the relevant module (e.g., PM, PS). Ensure that the system is set up to allow for multiple assignments as required.
  Review Task Assignments: Go to the specific dependency (indicated by &1 in the error message) and check the assignments. Ensure that there are multiple tasks or activities assigned to this dependency.
  Data Correction: If there are missing assignments, add the necessary tasks to fulfill the requirement for multiple assignments. If there are incorrect assignments, correct them as needed.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on managing dependencies and assignments in your specific module.
  Testing: After making changes, test the scenario again to ensure that the error is resolved and that the system behaves as expected.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes to view or edit dependencies, such as IP01 for creating maintenance plans or CJ20N for project management.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional insights or solutions.
  User Roles and Permissions: Ensure that you have the necessary permissions to make changes to dependencies and assignments in the system.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more in-depth assistance.