How to solve for this error???

Results Query Type Query Setup Show/Hide All Access Obje... 0 Query1 X Add Tables X Search... Tables Query_Product Tables Links Queries All Product 3 Product Category Search FE Product Master List Query_Category Query_Model Query_Product Product Model Queries O Query_Category Query_Model 5 Query_Product Product Name Product Number Product Color Standard Cost List Price Size Style Sell Start Date Sell End Date V Microsoft Access X C Microsoft Access can't append all the records in the append query. Microsoft Access set O field(s) to Null due to a type conversion failure, and it didn't add 258 record(s) to the table due to key violations, o record(s) due to lock violations, and O record(s) due to validation rule violations. Do you want to run the action query anyway? To ignore the error(s) and run the query, click Yes. For an explanation of the causes of the violations, click Help. Yes No Help Size Product Number Query Product Product Color Query_Product Standard Cost Query Product List Price Query Product Style Query_Product Sell Start Date Query Product Sell End d Query_Pro Query Product Field: Product Name Table: Query_Product Sort: Append To: Product Name Criteria: or: Product Number Product Color Standard Cost List Price Size Style Sell Start Date Sell End Add Selected Tables Num Lock SQL