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Error accessing APIs node on K2 Management after applying K2 Five (5.3) June 2023 Cumulative Update

  • Oct 2, 2024 12:44 AM UTC
  • Nov 21, 2025 2:24 PM UTC
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Topic

When trying to access either 'SmartObject OData' or 'Workflow REST' node on K2 Management, the following error message is shown:

The type initializer for 'SourceCode.SmartObjects.Services.WebApiSettings.WebApiSettingsJsonSerializerEndpointFormatter' threw an exception.
 

 

Instructions 

1. Log a tier escalation to request for correct SourceCode.SmartObjects.Services.WebApiSettings.dll.

2. Stop the K2 Server service.
3. Backup file in location specified below
4. Replace assembly in location specified below


File Name:

SourceCode.SmartObjects.Services.WebApiSettings.dll


File Paths:

[Program Files]\K2\ServiceBroker\

 

5. Start the K2 Server service.