How To Fix WXP728 - Error when reading table TWISPC_PLSZN for &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WXP - Retail Planning

• Message number: 728

• Message text: Error when reading table TWISPC_PLSZN for &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WXP728 - Error when reading table TWISPC_PLSZN for &1 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WXP728 - Error when reading table TWISPC_PLSZN for &1
  
  Cause:
  The error WXP728 occurs when the SAP system tries to read the table TWISPC_PLSZN but encounters an issue. This table is related to the Work Process (WP) scheduling and planning in the SAP system, particularly in the context of SAP Web Dispatcher or SAP Work Process management.
  Common causes include:
  
  Table TWISPC_PLSZN is missing or inconsistent: The table might not exist in the database or is corrupted.
  Authorization issues: The user or process trying to read the table does not have sufficient authorization.
  Database inconsistencies or transport issues: The table might not have been properly transported or activated.
  System inconsistencies: The SAP kernel or system components related to work process scheduling might be out of sync or corrupted.
  Parameter or configuration errors: Incorrect system parameters or configuration related to work process scheduling.
  
  
  Solution:
  
  
  Check Table Existence and Consistency:
  
  Use transaction SE11 or SE16 to check if the table TWISPC_PLSZN exists and can be read.
  If the table is missing, check if the relevant support package or component is properly installed.
  Run database consistency checks or use DBACOCKPIT to verify database integrity.
  
  
  
  Check Authorizations:
  
  Verify that the user or process has the necessary authorizations to read the table.
  Use transaction SU53 after the error occurs to check for missing authorizations.
  
  
  
  Check System Logs and Dumps:
  
  Use transaction SM21 to check system logs for related errors.
  Use transaction ST22 to check for short dumps related to this error.
  
  
  
  Check Transport and Activation:
  
  If the system was recently upgraded or transported, verify that the transport containing the table definition was imported successfully.
  Re-activate the table or related dictionary objects if necessary.
  
  
  
  SAP Notes and Support:
  
  Search for SAP Notes related to WXP728 and TWISPC_PLSZN.
  For example, SAP Note XXXXXX (replace with actual note number if found) might provide patches or instructions.
  
  
  
  Restart Work Processes or System:
  
  Sometimes, restarting the affected work processes or the entire SAP system can resolve transient issues.
  
  
  
  Contact SAP Support:
  
  If the problem persists, collect all relevant logs and open a support ticket with SAP.
  
  
  
  
  Related Information:
  
  TWISPC_PLSZN is a table related to the internal scheduling of work processes.
  The error is often seen in systems with heavy workload or after system upgrades.
  Work process scheduling is critical for system performance and stability.
  Ensure that the SAP kernel and system components are up to date.
  Check for any recent changes in system parameters related to work process management (e.g., parameters starting with rdisp/).
  
  
  If you provide the exact context or transaction where this error occurs, I can help tailor the solution further.