502: Bad Gateway (ISOLATE_INTERNAL_FAILURE) for long requests

I deployed a simple proxy on Deno, which just forwards my requests to

TARGET_URL

TARGET_URL

. When

TARGET_URL

TARGET_URL

responds quickly everything is OK, but when it takes 1-2 minutes to respond, I get an error:

502: Bad Gateway (ISOLATE_INTERNAL_FAILURE)

The deployment failed while serving the request.

502: Bad Gateway (ISOLATE_INTERNAL_FAILURE)

The deployment failed while serving the request.

It there any limitation for the time Deno can wait for a response from the server? Or what can be the cause for this behavior? Thanks!