SQLSTATE[23000]: Integrity constraint violation: 1452 Cannot add or update a child row: a foreign key constraint fails (
cl55-m755.catalog_product_link, CONSTRAINTFK_CAT_PRD_LNK_LNK_TYPE_ID_CAT_PRD_LNK_TYPE_LNK_TYPE_IDFOREIGN KEY (link_type_id) REFERENCEScatalog_product_link_type(link_type_id) ON),
query was:
INSERT INTOcatalog_product_link(product_id,linked_product_id,link_type_id) VALUES (?, ?, ?)
While selecting products for related/upsell/crossell shows this error.