How To Fix 64338 - Product type & has internal number assignment, do not enter number

SAP Error Message - Details

• Message type: E = Error

• Message class: 64 - Treasury Management: Securities

• Message number: 338

• Message text: Product type & has internal number assignment, do not enter number

Self-Explanatory Message

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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 64338 - Product type & has internal number assignment, do not enter number ?

  The SAP error message 64338 indicates that you are trying to manually enter a number for a product type that is configured to use internal number assignment. This means that the system is set up to automatically generate the number for that product type, and manual entry is not allowed.
  Cause:
  The error occurs when:
  
  You attempt to create or change a product (e.g., material, service) and manually enter a number for a product type that is configured for internal number assignment.
  The product type in question is set up in the system to automatically generate its own unique identifier.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Do Not Enter a Number: Simply leave the number field blank when creating or changing the product. The system will automatically generate the number for you.
  
  
  Check Product Type Configuration: If you believe that the product type should allow manual number entry, you can check the configuration settings in the SAP system:
  
  Go to the relevant configuration settings for the product type in transaction SPRO (Customizing).
  Navigate to the section for defining product types and check the settings for number assignment.
  If necessary, change the configuration to allow external number assignment, but be cautious as this may have implications for how products are managed in your system.
  
  
  
  Consult Documentation: Review SAP documentation or help resources related to product types and number assignment to understand the implications of changing settings.
  
  
  Contact SAP Support: If you are unsure about making changes to the configuration or if the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert.
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MM01 (Create Material), MM02 (Change Material), or similar depending on the context of the error.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to create or change product types in the system.
  
  By following these steps, you should be able to resolve the error and proceed with your work in SAP.