The added or subtracted value results in an un-representable DateTime

After building the return, and clicking OK, the following error message appears: The added or subtracted value results in an un-representable DateTime. Parameter name: value.

After clicking OK, the Accept button on the Corporate Internet Filing window is not available.

Resolution

On the Info page of the T2 return, under Filing, the Date of amalgamation will show as 0000/00/00. Delete this value so that yyyy/mm/dd repopulates.