Web Compatibility Support • MercadoLivre error message when clicking button.

Hi. When I click the "comprar agora" button on any MercadoLivre webpage, a blank page with the following message shows up

CODE:

{"message":"Unauthorized","data":{"url":"https://www.mercadolivre.com/jms/mlb/lgz/login?platform_id=ML&go=https%3A%2F%2Fwww.mercadolivre.com.br%2Ffonte-cabousb-para-impressora-hp-2546-deskjet-22v-plug-roxo%2Fup%2FMLBU1469732195%3Fpdp_filters%3Ditem_id%3AMLB4593846664&loginType=explicit&client_id=6280072776285528","login":"https://www.mercadolivre.com/jms/mlb/lgz/login?platform_id=ML&go=https%3A%2F%2Fwww.mercadolivre.com.br%2Ffonte-cabousb-para-impressora-hp-2546-deskjet-22v-plug-roxo%2Fup%2FMLBU1469732195%3Fpdp_filters%3Ditem_id%3AMLB4593846664&loginType=explicit&client_id=6280072776285528"},"url":"https://www.mercadolivre.com/jms/mlb/lgz/login?platform_id=ML&go=https%3A%2F%2Fwww.mercadolivre.com.br%2Ffonte-cabousb-para-impressora-hp-2546-deskjet-22v-plug-roxo%2Fup%2FMLBU1469732195%3Fpdp_filters%3Ditem_id%3AMLB4593846664&loginType=explicit&client_id=6280072776285528","login":"https://www.mercadolivre.com/jms/mlb/lgz/login?platform_id=ML&go=https%3A%2F%2Fwww.mercadolivre.com.br%2Ffonte-cabousb-para-impressora-hp-2546-deskjet-22v-plug-roxo%2Fup%2FMLBU1469732195%3Fpdp_filters%3Ditem_id%3AMLB4593846664&loginType=explicit&client_id=6280072776285528"}

A link to the webpage is on the fifth line of the console output:

Console output:

CODE:

Timestamp: 03/26/2026 05:42:28 PMError: Content Security Policy: The page’s settings blocked the loading of a resource at resource://devtools/client/jsonview/ (“base-uri”).Timestamp: 03/26/2026 05:42:36 PMError: Error: Source File: https://www.mercadolivre.com.br/fonte-cabousb-para-impressora-hp-2546-deskjet-22v-plug-roxo/up/MLBU1469732195?pdp_filters=item_id:MLB4593846664#is_advertising=true&searchVariation=MLBU1469732195&backend_model=search-backend&position=1&search_layout=grid&type=pad&tracking_id=279c2cd4-a831-44cd-964e-9032ed42048a&ad_domain=VQCATCORE_LST&ad_position=1&ad_click_id=NDM0YWJlNGItNzUwZC00ODU1LTgwZTUtMWQ0MGQyMTFmYTE4Line: 240Timestamp: 03/26/2026 05:42:36 PMError: Content Security Policy: The page’s settings blocked the loading of a resource at resource://devtools/client/jsonview/ (“base-uri”).Timestamp: 03/26/2026 05:42:36 PMError: Content Security Policy: The page’s settings blocked the loading of a resource at https://www.mercadolivre.com.br/gz/checkout/lib/require.js (“script-src”).Timestamp: 03/26/2026 05:42:36 PMError: The resource from “https://www.mercadolivre.com.br/gz/checkout/css/main.css” was blocked due to MIME type mismatch (X-Content-Type-Options: nosniff).Source File: https://www.mercadolivre.com.br/gz/checkout/buy?_csrf=eAFygrqB-VIwRzj0ay31jGkjfJuZf1fr6ifo&quantity=1&mode=page&parent_url=%2Fp%2FMLBU1469732195&item_id=MLB4593846664&context=vip&shipping_option_id=220861479&quantity=1Line: 0Timestamp: 03/26/2026 05:42:36 PMError: The resource from “https://www.mercadolivre.com.br/gz/checkout/lib/require.js” was blocked due to MIME type mismatch (X-Content-Type-Options: nosniff).Source File: https://www.mercadolivre.com.br/gz/checkout/buy?_csrf=eAFygrqB-VIwRzj0ay31jGkjfJuZf1fr6ifo&quantity=1&mode=page&parent_url=%2Fp%2FMLBU1469732195&item_id=MLB4593846664&context=vip&shipping_option_id=220861479&quantity=1Line: 0