How To Fix EWA638 - The employee with the personnel no. &1 is already allocated to the order

SAP Error Message - Details

• Message type: E = Error

• Message class: EWA - IS-U-WA: Waste Management

• Message number: 638

• Message text: The employee with the personnel no. &1 is already allocated to the order

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 EWA638 - The employee with the personnel no. &1 is already allocated to the order ?

  The SAP error message EWA638 indicates that an employee with a specific personnel number is already assigned to a particular order. This typically occurs in the context of time management or project management within SAP, where an employee cannot be assigned to the same order multiple times.
  Cause:
  
  Duplicate Assignment: The employee is already assigned to the order, and the system does not allow multiple assignments for the same period.
  Incorrect Data Entry: There may have been an error in data entry, leading to an attempt to assign the same employee to the same order.
  System Configuration: The system may be configured to prevent duplicate assignments for specific types of orders or projects.
  
  Solution:
  
  Check Existing Assignments: Verify the current assignments for the employee with the personnel number provided in the error message. You can do this by checking the order or project details in the SAP system.
  Remove Duplicate Assignment: If the employee is indeed already assigned, you may need to remove the existing assignment before attempting to assign them again.
  Adjust Dates: If the assignment is for a different time period, ensure that the dates do not overlap. Adjust the dates accordingly if necessary.
  Consult with HR or Project Management: If you are unsure about the assignment, consult with the HR department or project management team to clarify the situation.
  Review Configuration Settings: If this is a recurring issue, it may be worth reviewing the configuration settings in SAP to see if adjustments are needed to allow for specific scenarios.
  
  Related Information:
  
  Transaction Codes: You may need to use specific transaction codes to view or modify assignments, such as PA20 (Display HR Master Data) or CATS (Cross-Application Time Sheet).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to SAP documentation for guidelines on employee assignments and order management to ensure compliance with business processes.
  
  If the issue persists after following these steps, it may be beneficial to reach out to your SAP support team for further assistance.