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I was getting the reject - missing country code.
I had 3 1099-DIV entries with foreign taxes, and it put the numbers ONLY in column C, even when I had all of them as 'various'.
But, it was putting '1099 taxes' in the date field in Section II (lines A, B, and C, with money only on line C), so I expect that was the real error. Everything was correct on the 1116 worksheet.
I had no luck fixing the date. When I did an override of the date on form 1116, it complained, and also stopped me when I did error checking.
If the amount of the tax is 'reasonable' (your definition) switch from a credit to a deduction. It won't take as much off the taxes, but at least you will be able to efile. Then file an amended return if/when Turbo Tax gets it fixed (or do paper amended return).
