This Exception shows when you create and Indicator with INT input parameters such as "DisplayTrace" add it to a chart. Then reset the INT in the NinjaScript to a BOOL (fixed the error made). Then on the chart, try to open the Indicators dialog box to set/unset the the Bools. The box will not open, you will get the unhandled exception box because it can't convert the INT to BOOL.
The only thing I could do to get around this problem was to close the chart and start again.
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