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Codewarrior programming MC56F8367 gives Unknown protocol error

Question asked by David Sweeney on Nov 3, 2014
Latest reply on Nov 4, 2014 by John Winters

I have been developing with Codewarrior for about 7 years, and we have (finally!) got into production. I received 10 Cards which have the MC56F8367 DSC fitted, and began to use Codewarrior to program each with our latest firmware. 6 of the boards programmed fine, but 4 of the boards did not. Codewarrior reported "Unknown Protocol Error". My Codewarrior version is 8.3 (build 091203). Anyone got any ideas as to why this might be happening?