microsoft access database error message

[chedwo]

please help I am working with access database I have limited experience with access. I am unable to figure this particular problem. Microsoft access can't append all the records in the append Query microsoft access set 0 field to null set to convertion failure and didn't add 2 to records to the table due key violation 0 record due to key lock violation

 

[namliam]

You have in the database got 1 or more fields set as either a Primary Key or Unique indexed fields.

The file you are importing is causing conflicts on either one of those....

Good Luck