How To Fix WTY167 - Enter the external number

SAP Error Message - Details

• Message type: E = Error

• Message class: WTY - Warranty processing

• Message number: 167

• Message text: Enter the external number

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 WTY167 - Enter the external number ?

  SAP Error Message:
  
  WTY167 - Enter the external number
  
  Cause:
  The error message WTY167 occurs when the system expects an external number (usually a reference number or an identifier from an external system) to be entered in a particular field, but it has been left blank or not provided during a transaction or data entry process.
  This typically happens in scenarios involving:
  
  Number range objects where an external number is required instead of an internal number.
  Transactions or processes where the system is configured to accept or require an external number (e.g., in number assignment for documents, equipment, or material master records).
  Interfaces or data uploads where external identifiers must be supplied.
  
  
  Solution:
  
  
  Enter the External Number:
  
  Provide the required external number in the relevant field.
  Ensure the number is valid and conforms to the expected format or number range.
  
  
  
  Check Number Range Configuration:
  
  Verify if the number range object is set to external number assignment.
  If internal numbering is preferred, change the number assignment to internal in the configuration.
  
  
  
  Review Transaction or Program Logic:
  
  Confirm that the process or transaction expects an external number.
  If the external number is optional, check if the program logic or user exit can be adjusted to allow blank entries.
  
  
  
  Consult Documentation or Functional Consultant:
  
  If unsure about the required external number, consult the functional documentation or the responsible consultant to understand what number should be entered.
  
  
  
  
  Related Information:
  
  
  Number Range Objects:
  
  In SAP, number ranges can be assigned internally (system generates the number) or externally (user enters the number). This error is common when external number assignment is active but no number is provided.
  
  
  Common Modules Affected:  
  
  Plant Maintenance (PM)  
  Materials Management (MM)  
  Sales and Distribution (SD)  
  Customer Service (CS)  
  Equipment and Functional Location master data
  
  
  
  Transaction Examples:  
  
  Creating equipment or functional locations (where external numbering is used)  
  Creating service orders or notifications with external number assignment
  
  
  
  SAP Notes and Help:
  
  Check SAP Notes related to number range assignment and external numbering for your specific module if the problem persists.
  
  
  
  If you provide the exact transaction or context where the error occurs, I can give more tailored advice.