How To Fix UIU_SRV018 - Contact person &1 is not a valid customer in the system

SAP Error Message - Details

• Message type: E = Error

• Message class: UIU_SRV - service order message class

• Message number: 018

• Message text: Contact person &1 is not a valid customer in the system

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 UIU_SRV018 - Contact person &1 is not a valid customer in the system ?

  The SAP error message UIU_SRV018 indicates that the contact person specified in a transaction or process is not recognized as a valid customer in the system. This can occur in various scenarios, such as when creating or updating customer records, sales orders, or other related documents.
  Cause:
  
  Invalid Customer Number: The contact person number provided does not exist in the customer master data.
  Inactive Customer: The customer record may exist but is marked as inactive or blocked.
  Data Entry Error: There may be a typographical error in the contact person's ID or name.
  Missing Assignment: The contact person may not be properly assigned to the customer account.
  Data Synchronization Issues: If the system is integrated with other systems, there may be synchronization issues leading to missing or outdated data.
  
  Solution:
  
  
  Verify Customer Data:
  
  Check the customer master data in the SAP system to ensure that the contact person exists and is active.
  Use transaction codes like XD03 (Display Customer) to look up the customer and verify the contact person details.
  
  
  
  Check for Typos:
  
  Ensure that the contact person ID or name is entered correctly without any typographical errors.
  
  
  
  Activate/Unblock Customer:
  
  If the customer is inactive or blocked, you may need to activate or unblock the customer record using transaction code XD02 (Change Customer).
  
  
  
  Assign Contact Person:
  
  If the contact person is not assigned to the customer, you can add them using the customer master data maintenance transactions.
  
  
  
  Data Synchronization:
  
  If your SAP system is integrated with other systems (like CRM or external databases), ensure that data synchronization is functioning correctly and that all relevant data is up to date.
  
  
  
  Consult Documentation:
  
  Review any relevant documentation or user manuals for specific processes related to customer and contact person management.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error message.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as XD01 (Create Customer), XD02 (Change Customer), and XD03 (Display Customer).
  SAP Notes: Check SAP Notes for any updates or patches that may address this issue.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to view and modify customer data.
  
  By following these steps, you should be able to identify and resolve the issue related to the error message UIU_SRV018.