How To Fix CO134 - Do not enter material for item category &

SAP Error Message - Details

• Message type: E = Error

• Message class: CO - PPC order processing messages

• Message number: 134

• Message text: Do not enter material for item category &

What causes this issue?

When creating or changing a component, you entered a material, even
though this is not required for the item category specified (for example
"T" for text item).

How to fix this error?

You have two options:
Do not enter a material.
Change the item category.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CO134 - Do not enter material for item category & ?

  The SAP error message CO134 ("Do not enter material for item category &") typically occurs in the context of controlling and production planning, particularly when dealing with production orders or cost objects. This error indicates that a material number has been entered for an item category that does not allow for it.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Incorrect Item Category: The item category you are trying to use does not support the entry of a material number. For example, certain item categories are designed for activities or services rather than tangible materials.
  Configuration Issues: The configuration settings in the system may not allow for materials to be assigned to the specific item category you are using.
  Data Entry Error: There may be a mistake in the data entry process, such as selecting the wrong item category or entering a material number when it is not required.
  
  Solution:
  To resolve the CO134 error, you can take the following steps:
  
  
  Check Item Category: Verify the item category you are using. Ensure that it is appropriate for the type of transaction you are trying to perform. If you are using an item category that does not allow for material entry, you may need to select a different item category.
  
  
  Review Configuration: If you have access to configuration settings, check the configuration for the item categories in the relevant controlling area or production order type. Ensure that the settings align with your business processes.
  
  
  Consult Documentation: Refer to SAP documentation or your organization's internal guidelines to understand the specific requirements for the item category you are using.
  
  
  Data Entry Verification: Double-check your data entry to ensure that you are not mistakenly entering a material number where it is not needed. If you are entering a service or activity, ensure that you are using the correct item category.
  
  
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or a consultant who can provide further assistance.
  
  
  Related Information:
  
  Item Categories: Familiarize yourself with the different item categories available in your SAP system and their respective functionalities.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Training: Consider undergoing training on SAP modules related to production planning and controlling to better understand item categories and their configurations.
  
  By following these steps, you should be able to identify the cause of the CO134 error and implement a suitable solution.