How To Fix MM154 - You cannot maintain the long texts for the material here

SAP Error Message - Details

• Message type: E = Error

• Message class: MM - Messages for material master maintenance and Customizing

• Message number: 154

• Message text: You cannot maintain the long texts for the material here

What causes this issue?

You wanted to maintain the basic data text, inspection text, or
internal comment. However, this is not possible in the following cases:
When scheduling the creation or changing of a material
If you do not have the authorization to maintain general material
master data

System Response

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

How to fix this error?

If you require an authorization, contact your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MM154 - You cannot maintain the long texts for the material here ?

  The SAP error message MM154, "You cannot maintain the long texts for the material here," typically occurs when a user attempts to maintain long texts for a material in a transaction where this functionality is not allowed. This can happen in various scenarios, such as when trying to edit material master data in a transaction that does not support long text maintenance.
  Cause:
  
  Transaction Limitation: The transaction you are using does not allow for the maintenance of long texts. For example, certain transactions may only allow for basic data entry without the option to edit long texts.
  User Authorizations: The user may not have the necessary authorizations to maintain long texts for materials.
  Material Type Settings: The material type configuration may not allow for long text maintenance.
  Incorrect Navigation: The user may be navigating to the wrong screen or using the wrong method to access long text maintenance.
  
  Solution:
  
  
  Use the Correct Transaction: To maintain long texts for materials, use the appropriate transaction code, such as:
  
  MM02: Change Material
  MM03: Display Material (if you only need to view)
  ME21N: Create Purchase Order (if applicable)
  ME22N: Change Purchase Order (if applicable)
  
  Ensure you are in the correct view that allows for long text maintenance.
  
  
  Check Authorizations: Verify that you have the necessary authorizations to maintain long texts. You may need to contact your SAP security administrator to ensure your user role has the required permissions.
  
  
  Review Material Type Configuration: Check the configuration of the material type in the SAP system to ensure that long text maintenance is enabled. This can be done by navigating to the material type settings in the IMG (Implementation Guide).
  
  
  Access Long Texts via Alternative Methods: If you are unable to maintain long texts directly in the material master, consider using alternative methods such as:
  
  Accessing long texts through the "Long Text" button in the relevant transaction.
  Using transaction SE61 to create or maintain long texts separately.
  
  
  
  Consult Documentation: Review SAP documentation or help files related to the specific transaction you are using to ensure you are following the correct procedures.
  
  
  Related Information:
  
  Long Texts in SAP: Long texts are used in various SAP modules to provide detailed descriptions or additional information about materials, vendors, or other entities.
  Material Master Data: The material master is a central repository of information related to materials in SAP, and it includes various views such as Basic Data, Purchasing, Sales, and Accounting.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues or bugs related to long text maintenance.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or refer to SAP community forums for further assistance.