How To Fix /PM0/ALB_MESSAGES129 - One or two affected persons must be available

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/ALB_MESSAGES -

• Message number: 129

• Message text: One or two affected persons must be available

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/ALB_MESSAGES129 - One or two affected persons must be available ?

  The SAP error message /PM0/ALB_MESSAGES129 with the description "One or two affected persons must be available" typically occurs in the context of SAP's Project Management or similar modules where the system requires the assignment of affected persons (individuals who are impacted by a particular project or task).
  Cause:
  This error usually arises when:
  
  Missing Assignment: The system expects at least one or two affected persons to be assigned to a task, project, or activity, but none have been specified.
  Data Entry Error: There may have been an oversight during data entry where the affected persons were not selected or saved correctly.
  Configuration Issues: The system configuration may require certain fields to be filled out that are not being populated correctly.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Affected Persons Assignment:
  
  Navigate to the relevant project or task where the error occurred.
  Ensure that at least one or two affected persons are assigned. This can usually be done in the project or task details screen.
  
  
  
  Data Entry:
  
  If you are entering data manually, double-check that you have selected the affected persons from the list of available resources or personnel.
  
  
  
  Review Configuration:
  
  If you have access to configuration settings, check if there are any mandatory fields that need to be filled out regarding affected persons.
  Consult with your SAP administrator or technical team to ensure that the system is configured correctly.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on how to assign affected persons in the context of your project or task.
  
  
  
  Error Logs:
  
  If the issue persists, check the error logs for more detailed information that might help in diagnosing the problem.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Guides: Refer to user manuals or training materials specific to the module you are working with for detailed instructions on managing affected persons.
  Support: If you are unable to resolve the issue, consider reaching out to SAP support or your internal IT support team for assistance.
  
  By following these steps, you should be able to address the error and proceed with your project management tasks in SAP.