How To Fix WTADDI406 - Database error

SAP Error Message - Details

• Message type: E = Error

• Message class: WTADDI - Additionals: Messages

• Message number: 406

• Message text: Database error

What causes this issue?

An error occurred when accessing the database.

How to fix this error?

INCLUDE ISR_VERWALTUNG

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message WTADDI406 - Database error ?

  The SAP error message WTADDI406 Database error typically occurs in the context of Warehouse Management (WM) or Extended Warehouse Management (EWM) processes, often related to database operations such as inserts, updates, or deletes failing due to constraints or data inconsistencies.
  
  Cause
  
  Database constraint violation: The error usually indicates that a database operation failed because of a violation of database constraints (e.g., primary key, foreign key, unique constraints).
  Data inconsistency: The data being processed may be inconsistent or incomplete, causing the database to reject the operation.
  Locking or deadlock issues: Sometimes, database locks or deadlocks can cause such errors.
  Incorrect or missing data in warehouse tasks or related tables: For example, an attempt to insert or update a warehouse task with invalid or missing references.
  Custom code or enhancements: If there are custom developments or user exits involved, they might be causing incorrect data handling leading to this error.
  
  
  Solution
  
  
  Check the detailed error log:
  
  Use transaction ST22 (Dump Analysis) or SM21 (System Log) to find more detailed information about the database error.
  Look for the exact database error code (e.g., unique constraint violation, foreign key violation).
  
  
  
  Analyze the database operation:
  
  Identify which table and operation caused the error.
  Common tables involved in WM/EWM are LTAK, LTAP, LQUA, LQU, etc.
  
  
  
  Verify data consistency:
  
  Check the data in the relevant tables for inconsistencies.
  For example, ensure that all referenced keys exist and are valid.
  
  
  
  Check for locks:
  
  Use transaction SM12 to check for locked entries that might be causing the problem.
  
  
  
  Correct the data or process:
  
  If data inconsistencies are found, correct them manually or via appropriate SAP transactions.
  If the error is due to missing master data, create or correct the master data.
  
  
  
  Review custom code:
  
  If custom enhancements or user exits are involved, debug and correct the logic.
  
  
  
  Apply SAP Notes:
  
  Search the SAP Support Portal for notes related to WTADDI406 or the specific database error code.
  Apply any relevant SAP Notes or patches.
  
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  ST22 – ABAP Runtime Error Analysis
  SM21 – System Log
  SM12 – Lock Entries
  SE11 – Data Dictionary (to check table definitions and constraints)
  LT22 – Display Warehouse Tasks
  
  
  
  Common Tables:
  
  LTAK – Warehouse Task Header
  LTAP – Warehouse Task Item
  LQUA – Quants
  LQU – Quants (old)
  
  
  
  SAP Notes:
  
  Search for notes with keywords like "WTADDI406", "database error", "warehouse task", or the specific database error code.
  
  
  
  SAP Community and Forums:
  
  SAP Community Network (SCN) and other forums often have discussions on similar errors.
  
  
  
  
  If you provide the exact database error code or more context (e.g., the operation being performed, the transaction used), I can help you with a more precise diagnosis and solution.