SQLSTATE[23000]: Integrity constraint violation: 1452 Cannot add or update a child row: a foreign key constraint fails (mlvcom_mlvstore
.affiliateplus_account
, CONSTRAINT affiliateplus_account_ibfk_1
FOREIGN KEY (customer_id
) REFERENCES customer_entity
(entity_id
) ON DELETE CASCADE ON UPDATE CASCADE)
I tried flushing cache but I dont really know Magento that great. Can anyone help?