Error message with CSV file

[tomd]

I am a new prestashop user, I am having a little problem that i would lile some help with. I keep getting these message when i try to import csv file into prestashop.

 

No Name (ID: No ID) cannot be saved
Property Product->name is empty
font-family: Arial,Helvetica,Verdana,Tahoma,sans-serif (ID: No ID) cannot be saved
Property Product->weight is not valid
font-size: 16.5165157318115px (ID: No ID) cannot be saved

Rewrite link for (ID: null) was re-written as friendly-url-autogeneration-failed.
Rewrite link for font-family: Arial,Helvetica,Verdana,Tahoma,sans-serif (ID: null) was re-written as font-family-arialhelveticaverdanatahomasans-serif.
Rewrite link for font-size: 16.5165157318115px (ID: null) was re-written as font-size-165165157318115px.