How To Fix WXP818 - Error when updating table THLTT: &

SAP Error Message - Details

• Message type: E = Error

• Message class: WXP - Retail Planning

• Message number: 818

• Message text: Error when updating table THLTT: &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WXP818 - Error when updating table THLTT: & ?

  Certainly! Here's a detailed explanation for the SAP error message WXP818 related to updating table THLTT:
  
  SAP Error Message: WXP818
  Text: Error when updating table THLTT: &
  
  1. Cause of the Error
  
  WXP818 occurs during the update process of the table THLTT.
  The table THLTT is related to Task Lists in SAP (specifically, it stores task list headers for maintenance task lists).
  The error indicates that an update to this table failed.
  Common causes include:
  
  Database lock conflicts: Another process or user might be locking the record or table.
  Authorization issues: The user or process attempting the update lacks the necessary authorizations.
  Data inconsistencies: The data being updated violates database constraints (e.g., unique keys, foreign keys).
  Technical issues: Problems with the database connection or update function modules.
  Custom code or enhancements: If there are user exits or BAdIs influencing the update, they might cause errors.
  
  
  
  
  2. Solution / How to Resolve
  
  
  Check for locks:
  
  Use transaction SM12 to check if the record in THLTT is locked.
  If locked, determine the locking user/process and wait or coordinate to release the lock.
  
  
  
  Check authorizations:
  
  Verify that the user or background job has the necessary authorizations to update task lists.
  Use transaction SU53 immediately after the error to check for missing authorizations.
  
  
  
  Analyze the update error:
  
  Look at the short dump (transaction ST22) if available for more detailed error information.
  Check the update logs in transaction SM13 for failed updates related to THLTT.
  
  
  
  Data consistency:
  
  Verify that the data being updated is valid and does not violate any database constraints.
  Check for duplicate entries or missing references.
  
  
  
  Check custom code:
  
  Review any user exits, BADIs, or enhancements related to task list updates.
  Temporarily disable custom code to see if the error persists.
  
  
  
  Database and system health:
  
  Ensure the database is running properly without issues.
  Check for any recent transport or system changes that might affect the table.
  
  
  
  Re-run the update:
  
  If the update was part of a batch job or background process, try re-running it after resolving the above issues.
  
  
  
  
  3. Related Information
  
  
  Table THLTT:
  
  Stores header data for maintenance task lists.
  Part of Plant Maintenance (PM) module.
  
  
  
  Transactions to use:
  
  SM12 – Lock entries
  SM13 – Update records
  ST22 – ABAP runtime errors (short dumps)
  SU53 – Authorization check
  SE11 – Data dictionary (to check table structure and constraints)
  
  
  
  SAP Notes:
  
  Search SAP Support Portal for notes related to WXP818 and THLTT.
  Sometimes SAP releases patches or corrections for known issues.
  
  
  
  General advice:
  
  Always ensure proper backups before making changes.
  Coordinate with BASIS and DB admins if database or system issues are suspected.
  
  
  
  
  If you provide the exact message text (the parameter &), or any dump details, I can help analyze further.