How To Fix APPL_MM_PUR_OA_CON020 - Enter a material or an account assignment category

SAP Error Message - Details

• Message type: E = Error

• Message class: APPL_MM_PUR_OA_CON - Message class for Purchase Contracts

• Message number: 020

• Message text: Enter a material or an account assignment category

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message APPL_MM_PUR_OA_CON020 - Enter a material or an account assignment category ?

  The SAP error message APPL_MM_PUR_OA_CON020 typically occurs in the context of purchasing or materials management when a user attempts to create or process a purchase order, purchase requisition, or similar document without specifying a material or an account assignment category. This error indicates that the system requires either a material number or an account assignment category to proceed.
  Cause:
  
  Missing Material Number: The user did not enter a material number in the relevant field.
  Missing Account Assignment Category: The user did not specify an account assignment category, which is necessary for certain types of purchasing documents (e.g., services, non-stock items).
  Incorrect Document Type: The document type being used may require specific fields to be filled that are not being populated.
  Configuration Issues: There may be configuration settings in the SAP system that require certain fields to be mandatory based on the document type or purchasing organization.
  
  Solution:
  
  Enter a Material Number: Ensure that you enter a valid material number in the appropriate field. This is typically required for stock items.
  Specify an Account Assignment Category: If you are dealing with non-stock items or services, make sure to select an appropriate account assignment category (e.g., "K" for cost center, "P" for project).
  Check Document Type: Verify that the document type you are using is appropriate for the transaction you are trying to perform. Different document types may have different requirements.
  Review Configuration: If you have the necessary permissions, check the configuration settings in the SAP system to ensure that the required fields are set correctly. This may involve consulting with your SAP administrator or functional consultant.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the transaction you are working with.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transactions, such as ME21N (Create Purchase Order), ME51N (Create Purchase Requisition), etc.
  Account Assignment Categories: Common account assignment categories include:
  
  K: Cost Center
  P: Project
  A: Asset
  F: Order
  
  
  Material Master: Ensure that the material master data is correctly maintained for the materials you are trying to use.
  User Training: If users frequently encounter this error, consider providing additional training on the purchasing process and the importance of entering required fields.
  
  If the issue persists after following these steps, it may be beneficial to reach out to your SAP support team for further assistance.