Magento 1.9 Bulk Product uploading Error

Question

i am try to upload bulk product . but showing following error after check bulk product file.

SQLSTATE[23000]: Integrity constraint violation: 1452 Cannot add or update a child row: a foreign key constraint fails (info_magen50.mgwf_catalog_product_option_type_title, CONSTRAINT FK_756AD4236A49B4EB717861EAD7C17243 FOREIGN KEY (option_type_id) REFERENCES mgwf_catalog_product_option_type_value (o), query was: INSERT INTOmgwf_catalog_product_option_type_title (option_type_id,store_id,title) VALUES (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?), (?, ?, ?) ON DUPLICATE KEY UPDATEtitle= VALUES(title`)

How can i resolve it?

Answer 1

Before uploading your product, set your foreign key check to 0 and then set it to 1 after your finish uploading.

Query :

SET FOREIGN_KEY_CHECKS=0;