How To Fix DMWB_MSG019 - Invalid class

SAP Error Message - Details

• Message type: E = Error

• Message class: DMWB_MSG - Messages of Document Modeling Workbench

• Message number: 019

• Message text: Invalid class

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 DMWB_MSG019 - Invalid class ?

  The SAP error message DMWB_MSG019: Invalid class typically occurs in the context of Data Migration Workbench (DMWB) or when working with data migration tools in SAP. This error indicates that the system is unable to recognize or validate a specified class in the data migration process.
  Causes:
  
  Incorrect Class Name: The class name specified in the migration process may be misspelled or does not exist in the system.
  Class Not Activated: The class may not be activated or properly configured in the SAP system.
  Authorization Issues: The user may not have the necessary authorizations to access the specified class.
  Transport Issues: If the class was recently transported from another system, it may not have been imported correctly.
  Version Mismatch: The class may be incompatible with the version of the SAP system being used.
  
  Solutions:
  
  Verify Class Name: Check the spelling and ensure that the class name is correct. You can do this by navigating to the relevant transaction (e.g., SE11 for Data Dictionary) and searching for the class.
  Activate the Class: If the class exists but is not activated, activate it using transaction SE80 or SE11.
  Check Authorizations: Ensure that the user has the necessary authorizations to access the class. This can be done by checking the user roles and authorizations in transaction SU01.
  Transport Check: If the class was recently transported, verify that the transport was successful and that all necessary objects were included.
  System Compatibility: Ensure that the class is compatible with the current version of the SAP system. If there are version discrepancies, consider updating or adjusting the class accordingly.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and SU01 (User Maintenance) for troubleshooting.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message. You can search for DMWB_MSG019 in the SAP Support Portal.
  Documentation: Review the official SAP documentation for Data Migration Workbench to understand the requirements and configurations needed for successful data migration.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.