How To Fix /SAPAPO/PUIA_MESS326 - Alternative product number (APN) type &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PUIA_MESS -

• Message number: 326

• Message text: Alternative product number (APN) type &1 does not exist

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PUIA_MESS326 - Alternative product number (APN) type &1 does not exist ?

  The SAP error message /SAPAPO/PUIA_MESS326 indicates that the Alternative Product Number (APN) type specified does not exist in the system. This error typically occurs in the context of Advanced Planning and Optimization (APO) when trying to use an APN that has not been defined or is not recognized by the system.
  Cause:
  
  Non-existent APN Type: The APN type you are trying to use has not been created or is not available in the system.
  Incorrect Configuration: The configuration settings for APN types may not be set up correctly.
  Data Entry Error: There may be a typo or incorrect entry in the APN type field.
  Missing Master Data: The relevant master data for the product may not be maintained properly.
  
  Solution:
  
  
  Check APN Type Configuration:
  
  Go to the configuration settings for Alternative Product Numbers in the SAP system.
  Use transaction code SPRO to access the configuration menu.
  Navigate to the relevant section for APO and check if the APN type exists.
  
  
  
  Create or Maintain APN Type:
  
  If the APN type does not exist, you may need to create it.
  Ensure that the APN type is properly defined with all necessary attributes.
  
  
  
  Verify Data Entry:
  
  Double-check the input for the APN type to ensure there are no typos or incorrect values.
  Make sure you are using the correct APN type as per the business requirements.
  
  
  
  Check Master Data:
  
  Ensure that the product master data is complete and that the APN is linked to the correct product.
  Use transaction codes like C223 (for product master) to verify the details.
  
  
  
  Consult Documentation:
  
  Review any relevant documentation or guidelines provided by your organization regarding the use of APN types.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as C223 (Product Master), SPRO (Configuration), and C201 (Change Product).
  SAP Notes: Check SAP Notes for any known issues or patches related to APN types.
  User Authorization: Ensure that you have the necessary authorizations to view and modify APN types in the system.
  
  By following these steps, you should be able to resolve the error message and ensure that the APN type is correctly configured and utilized in your SAP APO environment.