How To Fix DMWB_MSG076 - This class was already instantiated

SAP Error Message - Details

• Message type: E = Error

• Message class: DMWB_MSG - Messages of Document Modeling Workbench

• Message number: 076

• Message text: This class was already instantiated

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMWB_MSG076 - This class was already instantiated ?

  The SAP error message DMWB_MSG076 ("This class was already instantiated") typically occurs in the context of the Data Migration Workbench (DMWB) when there is an attempt to instantiate a class that has already been instantiated in the current session. This can happen due to various reasons, such as improper handling of class instances or issues in the migration process.
  Cause:
  
  Multiple Instantiation: The error usually arises when the same class is being instantiated multiple times without being properly released or cleared from memory.
  Session Management: If the session is not managed correctly, it may lead to the same class being instantiated again.
  Code Logic: There might be a flaw in the custom code or configuration that leads to the repeated instantiation of the class.
  
  Solution:
  
  
  Check for Existing Instances: Before instantiating the class, check if an instance already exists. You can implement a check in your code to see if the class is already instantiated.
  IF NOT <instance_variable> IS BOUND.
      CREATE OBJECT <instance_variable>.
  ENDIF.
  
  
  Release Instances: Ensure that any instances of the class are properly released when they are no longer needed. This can be done using the FREE statement in ABAP.
  
  
  Review Code Logic: Go through the code logic to ensure that the instantiation of the class is done correctly and that there are no loops or conditions that might lead to multiple instantiations.
  
  
  Session Management: If you are working with multiple sessions, ensure that the sessions are managed properly and that the context is clear when instantiating classes.
  
  
  Debugging: Use debugging tools to trace the execution flow and identify where the multiple instantiations are occurring. This can help pinpoint the exact location in the code that is causing the issue.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the Data Migration Workbench for any specific guidelines or known issues regarding this error.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any updates or patches related to the Data Migration Workbench that might address this issue.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed.
  Version Compatibility: Ensure that you are using a compatible version of the Data Migration Workbench with your SAP system, as version mismatches can sometimes lead to unexpected errors.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.