How To Fix GMMP001 - Enter a document type

SAP Error Message - Details

• Message type: E = Error

• Message class: GMMP - Messages for Mass Processing

• Message number: 001

• Message text: Enter a document type

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 GMMP001 - Enter a document type ?

  The SAP error message GMMP001, which states "Enter a document type," typically occurs in the context of the SAP system when a user is trying to create or process a document in the General Ledger or a similar module, and the required document type has not been specified.
  Cause:
  
  Missing Document Type: The most common cause of this error is that the user has not entered a document type in the relevant field. Document types are essential in SAP as they define the nature of the document being processed (e.g., invoice, credit memo, etc.).
  Configuration Issues: There may be configuration issues in the system where document types are not properly defined or activated for the specific transaction.
  User Input Error: The user may have overlooked the document type field or may not have the necessary permissions to access or view the document types.
  
  Solution:
  
  Enter a Document Type: The immediate solution is to ensure that you enter a valid document type in the designated field. Check the dropdown list or input the correct code manually.
  Check Configuration: If you are an administrator or have access to configuration settings, verify that the document types are correctly defined in the system. This can be done through the following steps:
  
  Go to the SPRO transaction (Customizing).
  Navigate to the relevant area for Financial Accounting (FI) or General Ledger (GL).
  Check the settings for document types to ensure they are properly configured.
  
  
  User Training: If the issue is due to user error, consider providing training or documentation to users on how to correctly enter document types in the system.
  Authorization Check: Ensure that the user has the necessary authorizations to access and use the document types. This can be checked in the user roles and profiles.
  
  Related Information:
  
  Document Types in SAP: Document types are crucial for categorizing financial transactions. Each document type has specific settings that determine how the system processes the document, including number ranges, posting rules, and more.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB01 (Post Document), FB50 (G/L Account Document), or others depending on the context of the error.
  SAP Notes: Check SAP Notes or the SAP Support Portal for any known issues or updates related to document types and the GMMP001 error message.
  User Manuals: Refer to user manuals or help documentation specific to your organization’s SAP implementation for additional guidance on handling document types.
  
  By following these steps, you should be able to resolve the GMMP001 error and successfully process your documents in SAP.