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Code Fix: An error occurs in a K2 Workflow containing consecutive outcomes


Issue Description

After installing K2 Five (5.2) Fix Pack 18, a runtime error occurs when a workflow contains consecutive outcomes.

Error Message

The following error is logged in the HostServer log file: “invalid archive type”. The workflow will go into an error state with the same error.


The issue was introduced by KB002950, released in K2 Five (5.2) Fix Pack 18.

Fix Description

The fix made for KB002950 has been rolled back. A new fix will be released in a future fix pack.


  1. Ensure you have K2 Five (5.2) installed.
  2. Download the K2 Five (5.2) FP19 from K2 Partner and Customer Portal.
  3. Install the K2 Five (5.2) FP19 to apply the fix.
  4. Refresh the browser cache.