How To Fix /SAPAPO/OM_ERROR2820 - Initial category is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR2 -

• Message number: 820

• Message text: Initial category is invalid

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/OM_ERROR2820 - Initial category is invalid ?

  The SAP error message /SAPAPO/OM_ERROR2820 indicates that there is an issue with the initial category in the context of SAP Advanced Planning and Optimization (APO). This error typically arises when the system is unable to recognize or validate the initial category specified in a planning or optimization process.
  Cause:
  
  Invalid Initial Category: The initial category specified in the planning run or transaction does not exist or is not defined in the system.
  Configuration Issues: There may be configuration issues in the APO system that prevent the recognition of the initial category.
  Master Data Issues: The master data related to the initial category may be incomplete or incorrectly set up.
  Authorization Issues: The user may not have the necessary authorizations to access the specified initial category.
  
  Solution:
  
  Check Initial Category: Verify that the initial category you are using is valid and exists in the system. You can do this by checking the configuration settings in the APO system.
  Review Configuration: Ensure that the configuration for the planning area and the initial category is correctly set up. This includes checking the settings in the planning book and the data view.
  Master Data Validation: Check the master data related to the initial category. Ensure that all necessary data is complete and correctly maintained.
  User Authorizations: Ensure that the user executing the transaction has the necessary authorizations to access the initial category.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of APO you are using for any known issues or additional troubleshooting steps.
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in APO that may help in troubleshooting, such as /SAPAPO/OM_ORDER for order management.
  SAP Notes: Search for SAP Notes related to error message /SAPAPO/OM_ERROR2820 for any patches or updates that may address the issue.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the issue related to the /SAPAPO/OM_ERROR2820 error message.