Send (back) to FCP (wrong sequence)

Hi dear friends,

I have color graded a sequence which originated in FCP. When color grading was completed I sent to FCP. Color shut down and the rendered files disappeared from the render queue and no green bands under the clips in the time line when Color was relaunched. This happened several times.

I discovered that the a copy of the original sequence in FCP had somehow been substituted for the original sequence and that is probably why Color shut down on the command "send to FCP".

Attempts in FCP to replace the sequence copy with the original failed - Color always shut down on the command "send to FCP".

Is there a way to correct this error or must I start over?

David Cape.