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When executing a REST based SmartObject method using a File property as an input value an error occurs.
The error message states: “Parameter name is required. ‘<parameter name>’”.
- Ensure you have K2 4.7 installed.
- Download and install the K2 4.7 November 2017 Cumulative Update from K2 Partner and Customer Portal.
- Get the K2 4.7 November 2017 Cumulative Update FP3 from Regional Support.
- Install the K2 4.7 November 2017 Cumulative Update FP3 to apply the fix.