How To Fix CMM_MEV_APPL_MM003 - Cannot read document type (table MEV_C_GENCUST_MM)

SAP Error Message - Details

• Message type: E = Error

• Message class: CMM_MEV_APPL_MM -

• Message number: 003

• Message text: Cannot read document type (table MEV_C_GENCUST_MM)

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 CMM_MEV_APPL_MM003 - Cannot read document type (table MEV_C_GENCUST_MM) ?

  The SAP error message CMM_MEV_APPL_MM003 indicates that the system is unable to read the document type from the table MEV_C_GENCUST_MM. This error typically arises in the context of the SAP Materials Management (MM) module, particularly when dealing with document types related to material movements or transactions.
  Causes:
  
  Missing Configuration: The document type you are trying to access may not be configured in the system. This could happen if the necessary entries in the table MEV_C_GENCUST_MM are missing.
  Authorization Issues: The user may not have the necessary authorizations to access the document type or the related configuration.
  Data Inconsistency: There may be inconsistencies or corruption in the data within the table, leading to the inability to read the document type.
  Transport Issues: If the configuration was recently transported from another system, there may have been issues during the transport process that resulted in missing or incomplete data.
  
  Solutions:
  
  
  Check Configuration:
  
  Go to the configuration settings for document types in the SAP system. Ensure that the document type you are trying to use is properly defined and exists in the table MEV_C_GENCUST_MM.
  You can check this by using transaction codes like SPRO (to access the configuration menu) and navigating to the relevant section for document types.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to access the document type. You can check this using transaction SU53 after the error occurs to see if there are any authorization issues.
  
  
  
  Data Consistency Check:
  
  Perform a consistency check on the table MEV_C_GENCUST_MM to ensure that all necessary entries are present and correct. You can use transaction SE16 or SE11 to view the table contents.
  
  
  
  Transport Check:
  
  If the issue arose after a transport, check the transport logs to see if there were any errors during the transport process. You may need to re-transport the configuration or manually adjust the entries in the target system.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error message. There may be patches or updates that resolve known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. Provide them with the error message details and any steps you have already taken.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME21N (Create Purchase Order), MIGO (Goods Movement), and SPRO (Customizing).
  Documentation: Review SAP documentation related to document types in the MM module for a better understanding of how they are configured and used.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution.