SQLSTATE: Integrity constraint violation: 1452 Cannot add or update a child row: a foreign key constraint fails (musice1g_musiciansmall.shipusa_singleboxes, CONSTRAINT FK_shipusa_singlebox_sku_entity FOREIGN KEY (sku) REFERENCES catalog_product_entity (sku) ON DELETE CASCADE ON UPDATE CASCADE)
I am using Magento platform for my E-commerce website. I'm new to coding and sql language. Can someone please explain me why is this happenning and how can I solve this error. I have tried installing an extension for Dimensional Shipping and when i try entering the dimensions for any product and saving this is the error i get.
After reading a lot on google for a day I have given up for now and seek help. I am able to open AdminControl and Cpanel for my website. I tried to do a few things in PHPmyadmin but they didn't work for me. I kep't on getting errors.