How To Fix MW686 - The site's customer number is not entered

SAP Error Message - Details

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 686

• Message text: The site's customer number is not entered

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 MW686 - The site's customer number is not entered ?

  The SAP error message MW686, which states "The site's customer number is not entered," typically occurs in the context of logistics or sales processes where a customer number is required for a specific site or location. This error can arise in various scenarios, such as during the creation of sales orders, delivery documents, or when processing customer-related transactions.
  Cause:
  The primary cause of this error is that the system expects a customer number to be associated with a specific site or location, but it has not been provided. This can happen due to:
  
  Missing Configuration: The customer number may not have been set up in the system for the specific site.
  Data Entry Error: The user may have forgotten to enter the customer number in the relevant field.
  Master Data Issues: The customer master data may not be properly maintained or linked to the site in question.
  
  Solution:
  To resolve the MW686 error, you can take the following steps:
  
  
  Check Customer Master Data:
  
  Navigate to the customer master data in SAP (transaction code XD02 for general data or VD02 for sales area data).
  Ensure that the customer number is correctly assigned to the relevant site or sales area.
  
  
  
  Enter Customer Number:
  
  If you are creating a document (like a sales order), ensure that you have entered the customer number in the appropriate field.
  If the customer number is not known, you may need to search for it using the customer search functionality.
  
  
  
  Review Site Configuration:
  
  Check the configuration settings for the site in question. Ensure that the site is properly linked to the customer number in the system.
  You may need to consult with your SAP configuration team to verify that the site settings are correct.
  
  
  
  Consult Documentation:
  
  Review any relevant SAP documentation or help files that pertain to customer and site configuration to ensure that all necessary steps have been followed.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as XD01 (Create Customer), XD02 (Change Customer), and XD03 (Display Customer).
  Master Data Maintenance: Ensure that your organization has a process in place for maintaining customer master data to prevent similar issues in the future.
  User Training: Provide training for users on how to correctly enter customer information and understand the importance of maintaining accurate master data.
  
  By following these steps, you should be able to resolve the MW686 error and ensure that the necessary customer number is entered for the site in question.