Error 500 due to database error

  • Dear Team Kindly note that i have this repetitive error at all imported products till website become down due to
    -PHP Fatal error: Unknown: Cannot use output buffering in output buffering display handlers
    -Alowed memory size of 268435456 bytes exhausted
    The DB Error
    WordPress database error Cannot add or update a child row: a foreign key constraint fails (stylobla_DB.wppc_dropshipping_product_models, CONSTRAINT wp_vkxuz3lmc7_dropshipping_product_models_ibfk_1 FOREIGN KEY (rewix_product_id) REFERENCES wpwn_dropshipping_products (rew) for query INSERT INTOwppc_dropshipping_product_models(rewix_product_id,rewix_model_id,lang,wc_model_id,wc_product_id`) VALUES (‘99559’, ‘284522’, ‘en’, ‘216473’, ‘89499’) made by do_action_ref_array(‘bdroppy_update_products_event’), WP_Hook->do_action, WP_Hook->apply_filters, BDroppy\Includes\Init\Cron->updateProduct, BDroppy\Includes\WC\Importer->addVariationToProduct, BDroppy\Includes\WC\Models\ProductModel::create
    so please i need your urgent support

    The page I need help with: [log in to see the link]

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