i exported the fx rates and tried to import in contibutor while importing i am g

[friendtoall]

i am having an e.list in data prep library.
i have to load fx rates.
i exported the fx rates and tried to import in contibutor while importing i am getting the following messages.
copy----file copied succesfully
load -----loaded
prepare-----the prepare job is having errors.
test prepare import complete.
please review import errors for each selected D-Cube.

i tried importing many times and doing import but the error couldnot be solved.

please tell me any solution for this.
its very urgent.