How To Fix EU356 - Cannot determine initial class; Select correct transaction type

EU356 - Overview

• Message type: E = Error

• Message class: EU - Development Environment

• Message number: 356

• Message text: Cannot determine initial class; Select correct transaction type

What causes this issue?

In an object orientation transaction the start object is the method of
a class. No class is specified in the transaction.

System Response

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

How to fix this error?

Check that the transaction is not an obsolete transaction with an
invalid type ID. Before implementation of the object orientation
transaction, this is not important. If the transaction is an obsolete
transaction, change the transaction type (in the Edit menu), if not,
enter a start class.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EU356 - Cannot determine initial class; Select correct transaction type ?

  The SAP error message EU356: Cannot determine initial class; Select correct transaction type typically occurs in the context of SAP's Electronic Data Interchange (EDI) or when dealing with document types in the SAP system. This error indicates that the system is unable to determine the appropriate initial class for a transaction due to a missing or incorrect configuration.
  Causes:
  
  Incorrect Transaction Type: The transaction type being used may not be correctly defined in the system or may not correspond to the expected initial class.
  Missing Configuration: The necessary configuration for the transaction type may not be set up in the system, leading to the inability to determine the initial class.
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing fields or incorrect values that prevent the system from determining the correct class.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access certain transaction types or classes.
  
  Solutions:
  
  
  Check