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Code Fix: Setting an Expression mapping on a control results in a JavaScript error

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Issue Description
When using the Rule Designer to set the mapping for an expression on a control, results in a JavaScript error when finishing the rule. The rule is marked with the dependency icon (badged) at this point.

Error Message
Uncaught TypeError: Cannot read property 'selectSingleNode' of undefined.

Cause
The expression mapping error was caused by a caching issue.

Resolution

  1. Ensure you have K2 4.7 installed.
  2. Install the K2 4.7 February 2017 Cumulative Update.
  3. Get the K2 4.7 February 2017 Cumulative Update FP7 from Regional Support.
  4. Install the K2 4.7 February 2017 Cumulative Update FP7 to apply the fix.