How To Fix MB079 - Program terminated: No. of numbers requested must be greater than 1

SAP Error Message - Details

• Message type: E = Error

• Message class: MB - Logistics Information Library

• Message number: 079

• Message text: Program terminated: No. of numbers requested must be greater than 1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MB079 - Program terminated: No. of numbers requested must be greater than 1 ?

  The SAP error message MB079 ("Program terminated: No. of numbers requested must be greater than 1") typically occurs in the context of inventory management or material document processing. This error indicates that a function or program is expecting a request for a number of items or documents greater than one, but it has received a request for one or none.
  Causes:
  
  
  Incorrect Input Parameters: The most common cause is that the input parameters for a transaction or function module are not set correctly. For example, if a user is trying to generate a document number or a range of numbers but specifies only one number or an invalid range.
  
  
  Custom Code Issues: If there are custom enhancements or modifications in the SAP system, they might not be handling the number generation correctly, leading to this error.
  
  
  Configuration Issues: There might be issues in the configuration of number ranges or document types that are causing the system to expect more than one number.
  
  
  Data Consistency Issues: If there are inconsistencies in the data or if the system is in an unexpected state, it might lead to this error.
  
  
  Solutions:
  
  
  Check Input Parameters: Review the input parameters for the transaction or function that triggered the error. Ensure that you are requesting a number greater than one where required.
  
  
  Review Custom Code: If there are any custom developments, check the code for any logic that might be incorrectly handling the number requests. Debugging the code can help identify the issue.
  
  
  Configuration Review: Check the configuration settings for number ranges and document types in the relevant modules (like MM, SD, etc.). Ensure that they are set up correctly and that the number ranges are active.
  
  
  Transaction Logs: Review transaction logs or system logs to gather more context about the error. This can provide insights into what was happening at the time of the error.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates that resolve known issues.
  
  
  Consult Documentation: Review the official SAP documentation for the specific transaction or function module to understand the expected input and behavior.
  
  
  Contact SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to inventory management, such as MB1A, MB1B, MB1C, etc.
  Debugging: If you have access to debugging tools, you can set breakpoints in the relevant function modules to trace the execution and identify where the error is being triggered.
  User Forums: SAP Community and other user forums can be helpful to see if other users have encountered similar issues and how they resolved them.
  
  By following these steps, you should be able to identify the cause of the MB079 error and implement a solution.