How To Fix ME184 - Please enter a message schema

SAP Error Message - Details

• Message type: E = Error

• Message class: ME - Purchasing: General Messages

• Message number: 184

• Message text: Please enter a message schema

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message ME184 - Please enter a message schema ?

  The SAP error message ME184 ("Please enter a message schema") typically occurs in the context of purchasing documents, such as purchase orders or purchase requisitions, when the system expects a message schema to be defined but it is missing or not properly configured.
  Cause:
  
  Missing Message Schema: The message schema is not defined for the purchasing document type you are working with.
  Configuration Issues: The message schema may not be assigned to the relevant purchasing organization or document type.
  User Role/Authorization: The user may not have the necessary authorizations to access or modify the message schema settings.
  
  Solution:
  To resolve the ME184 error, you can follow these steps:
  
  
  Check Message Schema Configuration:
  
  Go to the transaction code NACE (Message Control).
  Select the application area (e.g., "Purchasing").
  Check if a message schema is defined for the relevant document type (e.g., Purchase Order).
  If not, you will need to create or assign a message schema.
  
  
  
  Assign Message Schema:
  
  In the NACE transaction, ensure that the message schema is assigned to the appropriate purchasing organization and document type.
  You may need to create a new message type or modify an existing one to include the necessary message schema.
  
  
  
  Check User Authorizations:
  
  Ensure that the user has the necessary authorizations to access and modify message schema settings.
  If needed, consult with your SAP security team to verify and adjust user roles.
  
  
  
  Testing:
  
  After making the necessary changes, test the process again to see if the error persists.
  
  
  
  Related Information:
  
  Message Types: In SAP, message types are used to control the output of documents. Each message type can have its own schema, which defines how messages are processed and sent.
  Purchasing Document Types: Different purchasing document types (e.g., standard purchase order, contract) may have different message schemas associated with them.
  SAP Documentation: For more detailed information, refer to SAP Help documentation or consult with your SAP Basis or functional team for assistance with configuration.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP Notes for any known issues related to this error message.