MySQL replication conflicts
The root cause could be very varying, specially if your slave is not in read_only mode. Clearly, the table has a data drift (means that both master and slave tables have different contents).

I suggest you to use pt-table-checksum in order to check the table consistency. 

However, at this point I think that your table lacks of consistency, so I will recommend to dump and restore that table into the slave or, in s straightest way, clone again your slave. If you plan to rebui