How To Fix SO658 - Number <&> is incorrect

SAP Error Message - Details

• Message type: E = Error

• Message class: SO - SAPoffice: message texts

• Message number: 658

• Message text: Number <&> is incorrect

What causes this issue?

A number was entered which is not correct.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check your entry. The number can have a maximum of 30 characters. The
separators hyphen (-), slash (/), and period (.) are allowed. Make sure
that you enter the complete number. The zero of the area code must
always be included.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SO658 - Number <&> is incorrect ?

  The SAP error message SO658, which states "Number <&> is incorrect," typically occurs in the context of document processing, particularly when dealing with sales orders, delivery documents, or other transactional data. This error indicates that the system has encountered an invalid or incorrect number format or value in a field that requires a specific type of input.
  Causes:
  
  Incorrect Number Format: The number entered may not conform to the expected format (e.g., it may contain invalid characters or be of the wrong length).
  Missing or Incorrect Data: The number may be missing or not correspond to a valid entry in the system (e.g., a sales order number that does not exist).
  
  Configuration Issues: There may be issues with the configuration of number ranges or document types in the SAP system.
  User Input Error: The user may have made a typographical error when entering the number.
  
  Solutions:
  
  Check Input Format: Ensure that the number you are entering adheres