How To Fix WS_TOOL190 - Package &1 does not exist or cannot be used

SAP Error Message - Details

• Message type: E = Error

• Message class: WS_TOOL - Message Class for Web Services and Virtual Endpoints

• Message number: 190

• Message text: Package &1 does not exist or cannot be used

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WS_TOOL190 - Package &1 does not exist or cannot be used ?

  The SAP error message:
  WS_TOOL190 Package &1 does not exist or cannot be used
  
  Cause:
  This error occurs when the system tries to access or assign an ABAP package (development package) that either:
  
  Does not exist in the system.
  Exists but is not valid or cannot be used in the current context.
  The user or process does not have the necessary authorization to use the package.
  The package might be locked or deleted.
  The package name might be misspelled or incorrectly referenced in the program or transport.
  
  
  Explanation:
  In SAP, a package (formerly called a development class) is a container for development objects. When creating or modifying objects, the system requires a valid package to assign them to. If the package is missing or invalid, the system throws this error.
  
  Solution:
  
  
  Check Package Existence:
  
  Use transaction SE80 or SE21 to verify if the package exists.
  In SE80, enter the package name and see if it opens correctly.
  
  
  
  Check Package Status:
  
  Ensure the package is not locked or deleted.
  Check if the package is released and active.
  
  
  
  Correct Package Name:
  
  Verify that the package name is correctly spelled in the program, transport request, or wherever it is referenced.
  
  
  
  Authorization Check:
  
  Ensure the user has the necessary authorizations to use the package.
  Check roles and authorizations related to package usage (e.g., authorization object S_DEVELOP).
  
  
  
  Create Package if Missing:
  
  If the package does not exist and should be used, create it via SE80 or SE21.
  Assign the appropriate software component and transport layer.
  
  
  
  Transport Layer and Software Component:
  
  Verify that the package is assigned to the correct software component and transport layer.
  Mismatches can cause the package to be unusable.
  
  
  
  Check for System or Client-Specific Issues:
  
  Sometimes, the package exists in one client but not in another.
  Check if the package is client-dependent and available in the current client.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SE80 (Object Navigator) — to check and manage packages.
  SE21 (Package Builder) — to create or modify packages.
  SE03 (Transport Organizer Tools) — to check transport requests and package assignments.
  SU53 — to check authorization failures.
  
  
  
  SAP Notes:
  
  Search SAP Support Portal for notes related to WS_TOOL190 for any known bugs or patches.
  
  
  
  ABAP Development:
  
  Always assign development objects to valid packages.
  Avoid hardcoding package names; use variables or constants where possible.
  
  
  
  
  Summary:
  The error WS_TOOL190 indicates that the specified package does not exist or cannot be used. The resolution involves verifying the package's existence, status, spelling, authorizations, and transport layer assignments. Creating the package if missing or correcting the reference usually resolves the issue.