Sorry for the late reply. The site ID is 9e58d025-8a53-41d3-b96a-c462d20cc03c
I suspect it has to do with the multiple headers problem. I just played around with the build and the netlify.toml and I could not get it to work.
Headers & Failed Requests
Netlify.toml
[build]
# Directory (relative to root of your repo) that contains the deploy-ready
# HTML files and assets generated by the build. If a base directory has
# been specified, include it in the publish directory path.
publish = "build"
# Default build command.
command = "npm run build-i18n"
# SPA support for german locale
[[redirects]]
from = "/de/*"
to = "/de/index.html"
# SPA support for english locale
[[redirects]]
from = "/en/*"
to = "/en/index.html"
# Auto-redirects by language for German
[[redirects]]
from = "/*"
to = "/de/index.html"
force = true
# The default HTTP status code is 301, but you can define a different one.
status = 200
# Redirect based on browser language, geolocation, and/or identity role.
conditions = {Language = ["de"]}
# Redirect rule for English
[[redirects]]
from = "/*"
to = "/en/index.html"
force = true
# The default HTTP status code is 301, but you can define a different one.
status = 200
# Redirect based on browser language, geolocation, and/or identity role.
conditions = {Language = ["en"]}
# Redirect rule for English
[[redirects]]
from = "/*"
to = "/en/index.html"
force = true
# The default HTTP status code is 301, but you can define a different one.
status = 200
# Redirect based on browser language, geolocation, and/or identity role.
conditions = {Language = ["en-US"]}
# Default language is english
# [[redirects]]
# status = 200
# from = "/*"
# to = "/en/index.html"