How To Fix /SPE/RET128 - Invalid Request:Either select alternate part number or material number

SAP Error Message - Details

• Message type: E = Error

• Message class: /SPE/RET -

• Message number: 128

• Message text: Invalid Request:Either select alternate part number or material 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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SPE/RET128 - Invalid Request:Either select alternate part number or material number ?

  The SAP error message /SPE/RET128 Invalid Request: Either select alternate part number or material number typically occurs in the context of SAP's Variant Configuration (VC) or when dealing with product models that have multiple configurations or alternatives. This error indicates that the system requires either an alternate part number or a material number to proceed with the operation you are attempting.
  Cause:
  
  Missing Data: The system is unable to find a valid material number or alternate part number for the configuration you are trying to create or modify.
  Incorrect Configuration: The configuration you are trying to use may not be valid or may not have been set up correctly in the system.
  User Input Error: The user may not have selected the required options or may have made an invalid selection in the configuration process.
  
  Solution:
  
  Check Material Master: Ensure that the material number you are trying to use exists in the material master and is correctly configured.
  Select Alternate Part Number: If applicable, select an alternate part number that is valid for the configuration you are working with.
  Review Configuration Settings: Go through the configuration settings to ensure that all required fields are filled out correctly and that the selections made are valid.
  Consult Documentation: Refer to the SAP documentation or help files related to Variant Configuration to understand the requirements for the specific configuration you are working with.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more specific guidance based on your system setup.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CS01 (Create Material BOM), CS02 (Change Material BOM), or CU50 (Configuration Profile) that may be related to your task.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Training: Ensure that users are trained on how to properly configure materials and understand the implications of alternate part numbers in the system.
  
  By following these steps, you should be able to resolve the error and proceed with your SAP operations.