How To Fix CO012 - Enter material no. or reference

SAP Error Message - Details

• Message type: E = Error

• Message class: CO - PPC order processing messages

• Message number: 012

• Message text: Enter material no. or reference

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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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CO012 - Enter material no. or reference ?

  The SAP error message CO012 ("Enter material no. or reference") typically occurs in the context of production planning or controlling when a user attempts to create or process a production order, cost center, or similar transaction without providing a required material number or reference.
  Cause:
  
  Missing Material Number: The most common cause is that the user has not entered a material number in the relevant field.
  Incorrect Transaction: The transaction being performed may require a material number, but the user is in a context where it is not applicable.
  Authorization Issues: Sometimes, users may not have the necessary authorizations to view or enter material numbers.
  Configuration Issues: There may be configuration settings in the SAP system that require a material number for certain transactions, and these settings may not be correctly defined.
  
  Solution:
  
  Enter Material Number: Ensure that you enter a valid material number in the required field. If you are unsure of the material number, you can use the search function (often represented by a magnifying glass icon) to find the correct material.
  Check Transaction Context: Verify that you are in the correct transaction that requires a material number. If you are unsure, consult your SAP documentation or help resources.
  Review Authorizations: If you suspect that authorization issues may be causing the problem, contact your SAP security administrator to ensure you have the necessary permissions to access and enter material numbers.
  Consult Configuration Settings: If the issue persists, it may be necessary to consult with your SAP Basis or configuration team to review the settings related to the transaction you are trying to perform.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes related to production orders, such as CO01 (Create Production Order), CO02 (Change Production Order), or CO03 (Display Production Order).
  Material Master: Ensure that the material you are trying to use is correctly set up in the Material Master (transaction code MM01 for creation, MM02 for changes).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for relevant notes in the SAP Support Portal.
  User Training: If this error is common among users, consider providing additional training on how to properly enter material numbers and navigate the relevant transactions.
  
  By following these steps, you should be able to resolve the CO012 error and proceed with your SAP transactions.