How To Fix DDLS420 - Parameter information of parent (DDL source &/view &) does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: DDLS - For DDL source handling

• Message number: 420

• Message text: Parameter information of parent (DDL source &/view &) does not exist

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DDLS420 - Parameter information of parent (DDL source &/view &) does not exist ?

  The SAP error message DDLS420 indicates that there is an issue with the parameter information of a parent Data Definition Language (DDL) source or view. This typically occurs when you are trying to create or modify a database object, and the system cannot find the necessary metadata or parameters associated with the parent object.
  Cause:
  
  Missing Parent Object: The parent object (like a table or view) that you are trying to reference does not exist in the system.
  Inconsistent Metadata: The metadata for the parent object may be inconsistent or corrupted, leading to the inability to retrieve the required parameters.
  Transport Issues: If the object was transported from another system, there may have been issues during the transport process that caused the parent object to not be fully created or updated.
  Authorization Issues: Lack of proper authorizations to access the parent object can also lead to this error.
  
  Solution:
  
  Check Existence of Parent Object: Verify that the parent object (DDL source or view) exists in the system. You can do this by using transaction codes like SE11 (Data Dictionary) or SE14 (Database Utility).
  Check Metadata: If the parent object exists, check its metadata to ensure it is consistent and correctly defined. You may need to regenerate the object or check for any inconsistencies.
  Transport Logs: If the object was recently transported, check the transport logs for any errors or warnings that might indicate issues during the transport process.
  Recreate the Object: If the parent object is missing or corrupted, you may need to recreate it. Ensure that you have a backup or a way to restore the object if necessary.
  Authorization Check: Ensure that you have the necessary authorizations to access the parent object. You may need to consult with your SAP security team to verify your permissions.
  System Consistency Check: Run a consistency check on the database objects using transaction SE14 to ensure that all objects are correctly defined and there are no inconsistencies.
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE14 (Database Utility), SE80 (Object Navigator).
  SAP Notes: Check SAP Notes for any known issues related to this error message. You can search for DDLS420 in the SAP Support Portal.
  Documentation: Review SAP documentation related to DDL sources and views for more context on how they are structured and managed.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the steps you have already taken.