How To Fix WXP721 - Error when reading table TWISPS01 for &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WXP - Retail Planning

• Message number: 721

• Message text: Error when reading table TWISPS01 for &1

Self-Explanatory Message

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• What is the cause and solution for SAP error message WXP721 - Error when reading table TWISPS01 for &1 ?

  SAP Error Message:
  
  WXP721 Error when reading table TWISPS01 for &1
  
  1. Cause of the Error
  The error WXP721 occurs when the SAP Web Dynpro runtime environment tries to read the table TWISPS01 but fails. The table TWISPS01 is related to the Web Dynpro configuration and stores information about Web Dynpro applications and their components.
  Common causes include:
  
  Missing or inconsistent entries in the TWISPS01 table for the specified application/component (&1 is replaced by the actual application/component name).
  Authorization issues preventing the read access to the table.
  Database inconsistencies or corruption in the TWISPS01 table.
  Transport or system copy issues where the Web Dynpro configuration was not properly transported or restored.
  Incorrect or incomplete Web Dynpro application deployment.
  
  
  2. Solution
  To resolve the WXP721 error, follow these steps:
  a) Check the Table Entry
  
  Use transaction SE16 or SE16N to view the entries in table TWISPS01.
  Search for the application/component name that appears in the error message.
  Verify if the entry exists and is consistent.
  
  b) Re-import or Re-activate the Web Dynpro Application
  
  If the entry is missing or corrupted, try to re-import or re-activate the Web Dynpro application/component.
  Use transaction SE80 or SE84 to check the Web Dynpro application.
  Activate the application and its components again.
  
  c) Check Authorizations
  
  Ensure the user executing the Web Dynpro application has the necessary authorizations to read the table TWISPS01.
  Check roles and authorizations related to Web Dynpro and table access.
  
  d) Run SAP Notes and Support Packages
  
  Check for relevant SAP Notes that address issues with TWISPS01 or Web Dynpro runtime errors.
  Apply any relevant support packages or patches.
  
  e) Database Consistency Check
  
  Run database consistency checks for the table TWISPS01.
  If inconsistencies are found, coordinate with your Basis team to fix database issues.
  
  f) Clear Web Dynpro Cache
  
  Sometimes clearing the Web Dynpro cache helps.
  Use transaction SICF to reset services or use the Web Dynpro cache clearing tools.
  
  
  3. Related Information
  
  Table TWISPS01: Stores Web Dynpro application and component metadata.
  Transaction SE16/SE16N: To view table contents.
  Transaction SE80: To manage Web Dynpro applications.
  Transaction SICF: To manage Internet Communication Framework services and clear caches.
  SAP Notes: Search SAP Support Portal for notes related to WXP721 or TWISPS01.
  Authorization Objects: Check for objects like S_WDY_APPL or S_TABU_NAM for table access.
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  WXP721 Error when reading table TWISPS01 for &1
  
  
  Cause
  Missing/inconsistent entry in TWISPS01, authorization issues, DB inconsistencies
  
  
  Solution
  Check table entries, re-activate Web Dynpro app, verify authorizations, apply SAP Notes
  
  
  Related Info
  Table TWISPS01, SE16/SE80 transactions, SAP Notes, Web Dynpro cache clearing
  
  
  
  
  If the problem persists after these steps, consider raising a support ticket with SAP, providing the exact error message, system details, and steps to reproduce the issue.