SAP ABAP Message Class E0 Message Number 455 (Enter valid development class)
Hierarchy
SAP_BASIS (Software Component) SAP Basis Component
   BC-MID-ALE (Application Component) ALE Integration Technology
     SED (Package) IDoc Interface (Processing, Administration, Definition)
Attribute
Message class E0  
Short Description SAP EDI messages    
Message Number 455  
Documentation status       Space: object requires documentation
Authorization check Error Message      
Changed On 20130531   
Message Text
Enter valid development class
Help Document

Diagnosis

The development class to which the segment structures are to be assigned has not yet been defined, or a development class was defined for which the integration system is not the current system, or a name range conflict has occurred.

System Response

New segments cannot be created.

Procedure

Maintain a valid development class in your user-specific configuration using the 'Settings' menu.

History
Last changed on/by 20140121  SAP 
SAP Release Created in