How To Fix IAOM_OM012 - Account assignment category does not support assignment to CO/PP order

SAP Error Message - Details

• Message type: E = Error

• Message class: IAOM_OM - Outsourced Manufacturing

• Message number: 012

• Message text: Account assignment category does not support assignment to CO/PP order

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Choose an appropriate account assignment category which enables for
purchasing orders an assignment to CO/PP orders please.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IAOM_OM012 - Account assignment category does not support assignment to CO/PP order ?

  The SAP error message IAOM_OM012 indicates that the account assignment category you are trying to use does not support assignment to a Controlling (CO) or Production Planning (PP) order. This typically occurs when you are attempting to post a transaction that requires a specific account assignment category, but the category you are using is not compatible with the order type you are working with.
  Causes:
  
  Incorrect Account Assignment Category: The account assignment category you are using may not be configured to allow assignments to CO or PP orders.
  Order Type Configuration: The order type you are trying to assign may not be set up to accept the specific account assignment category.
  Master Data Issues: The master data for the material or service you are trying to post may not be correctly configured to allow for the desired account assignment.
  Transaction Type Restrictions: Certain transaction types may have restrictions on the account assignment categories that can be used.
  
  Solutions:
  
  
  Check Account Assignment Category:
  
  Verify the account assignment category you are using. Ensure that it is compatible with the CO/PP order you are trying to post to.
  You can check the configuration of account assignment categories in the SAP system under the relevant configuration settings.
  
  
  
  Review Order Type Configuration:
  
  Go to the configuration settings for the order type in the Controlling module (transaction code OPL8 for order types).
  Ensure that the order type is set up to accept the account assignment category you are using.
  
  
  
  Adjust Master Data:
  
  Check the material master or service master data to ensure that the account assignment category is correctly defined.
  Make sure that the relevant views (like accounting or purchasing) are properly maintained.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to account assignment categories and order types to understand the specific requirements and restrictions.
  
  
  
  Testing:
  
  If changes are made, perform a test transaction to ensure that the error does not occur again.
  
  
  
  Seek Help from SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error message.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  CO01: Create Production Order
  CO02: Change Production Order
  CO03: Display Production Order
  KOT2: Account Assignment Category Configuration
  
  
  SAP Notes: Search for SAP Notes related to IAOM_OM012 for any specific patches or updates that may address this issue.
  Training and Documentation: Consider training sessions or documentation on CO and PP processes to better understand the integration and requirements.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.