import data csv 2

[luluh_alkhamisi]

hi 

I am beginner to Magento and I try import product by fils csv 

when I check about validation very think is fine 

but when click import button there are error show "General system exception happened

Additional data:

Invalid URL key"

for this error I try to change the URL key several time >>>>>does not work

and delete the url_key column >>>does not wor again