How To Fix OQ_H110 - IDoc type &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: OQ_H - IS-Oil SSR : Message pool Interfaces/IAC/BAPI development

• Message number: 110

• Message text: IDoc type &1 already exists

What causes this issue?

You tried to generated IDOC type &V1&. However, that IDOC type already
exists.

System Response

The system skips IDOC type generation.

How to fix this error?

If you would like to re-generate the IDOC type because of changes in
the message structure, you will need to delete the generated objects
first.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OQ_H110 - IDoc type &1 already exists ?

  The SAP error message OQ_H110 indicates that there is an attempt to create or process an IDoc (Intermediate Document) of a specific type that already exists in the system. This typically occurs when there is an attempt to create a duplicate IDoc for a given type, which is not allowed.
  Cause:
  
  Duplicate IDoc Creation: The most common cause of this error is that the system is trying to create an IDoc of a type that has already been created and is still in the system.
  IDoc Processing Issues: There may be issues with the IDoc processing logic that leads to multiple attempts to create the same IDoc.
  Configuration Issues: Incorrect configuration in the IDoc processing or in the related application can lead to this error.
  
  Solution:
  
  Check Existing IDocs: Use transaction code WE02 or WE05 to check if an IDoc of the specified type already exists. If it does, you may need to process or delete the existing IDoc before creating a new one.
  Review Application Logic: If you are using custom code or a third-party application to generate IDocs, review the logic to ensure that it does not attempt to create duplicates.
  Error Handling: Implement error handling in your IDoc processing logic to manage situations where duplicates might occur.
  IDoc Status: Check the status of the existing IDoc. If it is in an error state, you may need to correct the error and reprocess it.
  Consult Documentation: Review SAP documentation or notes related to IDoc processing for any specific guidance related to the IDoc type you are working with.
  
  Related Information:
  
  IDoc Types: Each IDoc type is defined in the system and has specific structures and segments. Understanding the structure of the IDoc type in question can help in troubleshooting.
  Transaction Codes: Familiarize yourself with transaction codes like WE02 (Display IDoc), WE05 (IDoc List), and WE19 (Test Tool for IDocs) for monitoring and testing IDocs.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific IDoc type or error message.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP Basis or technical team for further investigation.