How To Fix EA304 - IDoc type &, object type & is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: EA - IDoc Basis Messages

• Message number: 304

• Message text: IDoc type &, object type & is unknown

What causes this issue?

The system tried to read object '&v1&' of type '&v2&'. Object type
meanings:
'B': The object is a <DS:GLOS.basic_type>basistyp</>.
'I': The object is an extended basis type
(<DS:GLOS.extension>extension</> + basic type).
'E': The object is a extension.

How to fix this error?

Please check whether object &v1& is of type &v2& using the IDoc type
editor.

<DS:TRAN.WE30>Execute function</>
ENDIF

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EA304 - IDoc type &, object type & is unknown ?

  The SAP error message EA304 indicates that the IDoc type and object type specified in the IDoc processing are unknown or not recognized by the system. This can occur for several reasons, and understanding the cause is essential for finding a solution.
  Causes of EA304 Error
  
  
  IDoc Type Not Defined: The IDoc type specified in the message may not be defined in the system. This can happen if the IDoc type was not created or has been deleted.
  
  
  Incorrect Object Type: The object type associated with the IDoc may be incorrect or not defined in the system.
  
  
  Namespace Issues: If you are using a custom IDoc type, it may not be properly defined in the correct namespace.
  
  
  Transport Issues: If the IDoc type was recently transported from another system, it may not have been transported correctly, or the transport request may not have been released.
  
  
  Authorization Issues: The user processing the IDoc may not have the necessary authorizations to access the IDoc type or object type.
  
  
  Solutions to EA304 Error
  
  
  Check IDoc Type Definition:
  
  Go to transaction WE30 (IDoc Type Development) and verify if the IDoc type exists.
  If it does not exist, you may need to create it or ensure it is properly defined.
  
  
  
  Verify Object Type:
  
  Check the object type associated with the IDoc. You can do this in transaction WE82 (IDoc Types) to see the mapping of IDoc types to object types.
  
  
  
  Namespace Verification:
  
  If you are using a custom IDoc type, ensure that it is defined in the correct namespace. You can check this in the IDoc type definition.
  
  
  
  Transport Check:
  
  If the IDoc type was recently transported, check the transport logs to ensure that it was transported successfully. You can also check if the transport request has been released.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the IDoc type. You can check this in transaction SU53 after the error occurs to see if there are any authorization issues.
  
  
  
  Recreate IDoc Type:
  
  If the IDoc type is missing or corrupted, you may need to recreate it. This can be done in transaction WE30.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to IDocs for any specific guidance or known issues related to the IDoc type you are working with.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  WE30: IDoc Type Development
  WE82: IDoc Types
  WE20: Partner Profiles
  WE19: Test Tool for IDocs
  SU53: Authorization Check
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  Community Forums: Consider checking SAP Community or other forums for similar issues and solutions shared by other users.
  
  
  By following these steps, you should be able to identify the cause of the EA304 error and implement a solution to resolve it.