How To Fix PG443 - Screen structures and conversion classes are not created in core system

SAP Error Message - Details

• Message type: E = Error

• Message class: PG - Error Messages for Master Data Programs

• Message number: 443

• Message text: Screen structures and conversion classes are not created in core system

What causes this issue?

You are in a core system that does not have any screen structures,
conversion classes, or the tables required for the UI such as
T588UICONVCLAS.

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?

Once you have created the infotype in the core system, go to an
extension system and create the screen structure and the conversion
class in that system.
You can do this with the first tab: 'Create Infotype' or with the third
tab: 'Edit Screen Structure'.

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 PG443 - Screen structures and conversion classes are not created in core system ?

  The SAP error message PG443 indicates that screen structures and conversion classes are not created in the core system. This error typically arises during the development or transport of objects in SAP, particularly when dealing with screen programming or when using the Screen Painter.
  Cause:
  
  Missing Screen Structures: The error often occurs when the necessary screen structures for a particular program or module are not generated or are missing in the system.
  Transport Issues: If the objects were transported from a development system to a production system, there might have been issues during the transport process that prevented the screen structures from being created.
  Development Environment: The error can also occur if the development environment is not properly set up or if there are inconsistencies in the system configuration.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to create or modify screen structures.
  
  Solution:
  
  
  Generate Screen Structures:
  
  Go to the transaction code SE80 (Object Navigator) or SE41 (Menu Painter).
  Locate the program or module that is causing the issue.
  Check if the screen (dynpro) is defined correctly and if the screen number is valid.
  Use the transaction code SE11 (Data Dictionary) to check if the necessary structures are defined.
  If they are missing, you may need to regenerate them using the appropriate tools in SAP.
  
  
  
  Check Transport Requests:
  
  If the issue arose after a transport, check the transport logs for any errors or warnings.
  Ensure that all necessary objects were included in the transport request and that they were successfully imported into the target system.
  
  
  
  Recreate the Screen:
  
  If the screen structure is corrupted or missing, you may need to recreate the screen using the Screen Painter (SE80).
  Make sure to save and activate the screen after making changes.
  
  
  
  Authorization Check:
  
  Verify that the user has the necessary authorizations to create or modify screen structures. This can be done by checking the user roles and authorizations in transaction SU01.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues related to screen structures.
  
  
  
  Related Information:
  
  Transaction Codes: SE80 (Object Navigator), SE11 (Data Dictionary), SE41 (Menu Painter), SE37 (Function Module), and SE38 (ABAP Program).
  SAP Documentation: Refer to the official SAP Help documentation for more details on screen programming and the use of the Screen Painter.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.