How To Fix /SAPAPO/MAT141 - Product number &1 contains disallowed special characters

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MAT -

• Message number: 141

• Message text: Product number &1 contains disallowed special characters

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 /SAPAPO/MAT141 - Product number &1 contains disallowed special characters ?

  The SAP error message /SAPAPO/MAT141 Product number &1 contains disallowed special characters typically occurs in the SAP Advanced Planning and Optimization (APO) module when a product number (material number) contains characters that are not allowed according to the system's configuration.
  Cause:
  
  Disallowed Characters: The product number may contain special characters such as spaces, punctuation marks, or other non-alphanumeric characters that are not permitted in the naming convention for materials in SAP.
  Configuration Settings: The system may have specific settings that restrict the use of certain characters in product numbers, which can vary based on the organization's requirements or industry standards.
  Data Entry Errors: The error may arise from manual data entry mistakes where the user inadvertently includes special characters.
  
  Solution:
  
  Check Product Number: Review the product number that triggered the error. Ensure it only contains valid characters, typically alphanumeric characters (A-Z, 0-9) and possibly underscores or hyphens, depending on the configuration.
  Modify the Product Number: If the product number contains disallowed characters, modify it to remove or replace those characters with valid ones.
  Review Configuration: If you are an administrator, check the configuration settings in the SAP system to understand which characters are allowed and adjust them if necessary. This can usually be found in the customizing settings for material master data.
  Data Validation: Implement data validation checks in the data entry process to prevent the entry of disallowed characters in the future.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on naming conventions and allowed characters for product numbers in your version of SAP.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message. SAP Notes can provide additional context or solutions.
  User Training: Ensure that users involved in data entry are trained on the correct format for product numbers to minimize errors.
  Testing: After making changes, test the product number creation or modification process to ensure that the error no longer occurs.
  
  By following these steps, you should be able to resolve the error and prevent it from occurring in the future.