net::ERR_HTTP2_PROTOCOL_ERROR

When I try to access a php script I get an error: net::ERR_HTTP2_PROTOCOL_ERROR 200

I tested it on other sites with the same hosting and configuration without CloudFlare and I was successful in accessing the script (
https://www.agenciadreamup.com.br/img.php?q=90&w=261&h=340&src=https://sextante.com.br/wp-content/uploads/2021/03/viagens.png), I read some things on your own forum reporting this problem but no solution.

I am assuming it’s only this specific PHP script that fails and all other URLs on your Cloudflare domain(s) are fine? If so, can you send a cURL to your script directly on your origin and share?

curl example.com/my-script.php -vo /dev/null --connect-to ::1.2.3.4

Replace the URL with your live domain & script and the IP 1.2.3.4 with your Origin Server IP. Feel free to redact these when sharing the result here.

It’s possible your script is outputting a header or something that is causing an issue.

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