Laravel Multiple Data Insert Error
SQLSTATE[22007]: Invalid datetime format: 1366 Incorrect integer value: '' for column 'unit_id' at row 2 (SQL: insert into
product_prices(created_at,product_id,unit_id,updated_at) values (2016-12-06 06:56:01, 27, 1,2016-12-06 06:56:01), (2016-12-06 06:56:01,27, , 2016-12-06 06:56:01))
But my unit_id field in nullable();
Please someone help me
Here column_name=unit_id