How To Fix CD427 - TTYPE generation not possible for &1 plus one character

SAP Error Message - Details

• Message type: E = Error

• Message class: CD - Change Documents

• Message number: 427

• Message text: TTYPE generation not possible for &1 plus one character

What causes this issue?

No table type name could be created for this structure name from the
character table "STUVWXYZABCDEFGHIJKLMNOPQR1234567890".
All combinations consisting of the structure name plus one character
from the character set have already been used by the ABAP Dictionary.

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

System Response

How to fix this error?

Choose a different prefix for the structure you want to generate.

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 CD427 - TTYPE generation not possible for &1 plus one character ?

  The SAP error message CD427, which states "TTYPE generation not possible for &1," typically occurs in the context of the SAP system's handling of transport requests or when dealing with transportable objects. The "&1" placeholder usually represents the specific object or transport request that is causing the issue.
  Cause:
  
  Missing or Incomplete Data: The object for which the TTYPE (Transport Type) is being generated may be missing required data or may not be fully defined.
  Transport Layer Issues: There may be issues with the transport layer configuration or the transport directory.
  Authorization Issues: The user may not have the necessary authorizations to perform the transport operation.
  System Configuration: There may be inconsistencies in the system configuration or settings related to transport management.
  Object Locking: The object might be locked by another user or process, preventing the generation of the TTYPE.
  
  Solution:
  
  Check Object Definition: Ensure that the object referenced in the error message is fully defined and all required fields are populated.
  Review Transport Layer Settings: Verify the transport layer settings in the Transport Management System (TMS) to ensure they are correctly configured.
  Check Authorizations: Ensure that the user has the necessary authorizations to perform the transport operation. This can be checked in transaction SU53 or by consulting with your security team.
  Release Locks: If the object is locked, identify the user or process that has locked it and release the lock if appropriate.
  Check Transport Directory: Ensure that the transport directory is correctly set up and accessible. You can check the transport directory settings in transaction STMS.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error. SAP Notes often provide patches or workarounds for known issues.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SE09 (Transport Organizer), SE10 (Transport Organizer for Workbench Requests), or STMS (Transport Management System) to investigate further.
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for assistance. Provide them with the error message details and any relevant logs or screenshots.
  Documentation: Review SAP documentation related to transport management and error handling for additional insights.
  
  By following these steps, you should be able to diagnose and resolve the CD427 error in your SAP system.