bun run dev
$ astro dev
11:29:46 PM [vite] Error when evaluating SSR module /node_modules/@astrojs/starlight/utils/i18n.ts:
|- AstroUserError: Failed to get locale informations for the 'en' locale.
    at new AstroUserError (/home/xxx/docs/node_modules/astro/dist/core/errors/errors.js:96:9)
    at getLocaleInfo (:99:47)
    at <anonymous> (:5:48)
    at processTicksAndRejections (:12:39)

11:29:46 PM [vite] Error when evaluating SSR module /node_modules/@astrojs/starlight/integrations/shared/localeToLang.ts: failed to import "/node_modules/@astrojs/starlight/u
tils/i18n.ts"
|- AstroUserError: Failed to get locale informations for the 'en' locale.
    at new AstroUserError (/home/xxx/docs/node_modules/astro/dist/core/errors/errors.js:96:9)
    at getLocaleInfo (:99:47)
    at <anonymous> (:5:48)
    at processTicksAndRejections (:12:39)

11:29:46 PM [vite] Error when evaluating SSR module /node_modules/@astrojs/starlight/integrations/expressive-code/translations.ts: failed to import "/node_modules/@astrojs/st
arlight/integrations/shared/localeToLang.ts"
|- AstroUserError: Failed to get locale informations for the 'en' locale.
    at new AstroUserError (/home/xxx/docs/node_modules/astro/dist/core/errors/errors.js:96:9)
    at getLocaleInfo (:99:47)
    at <anonymous> (:5:48)
    at processTicksAndRejections (:12:39)

11:29:46 PM [vite] Error when evaluating SSR module /node_modules/@astrojs/starlight/integrations/expressive-code/index.ts: failed to import "/node_modules/@astrojs/starlight
/integrations/expressive-code/translations.ts"
|- AstroUserError: Failed to get locale informations for the 'en' locale.
    at new AstroUserError (/home/xxx/docs/node_modules/astro/dist/core/errors/errors.js:96:9)
    at getLocaleInfo (:99:47)
    at <anonymous> (:5:48)
    at processTicksAndRejections (:12:39)

11:29:46 PM [vite] Error when evaluating SSR module /node_modules/@astrojs/starlight/index.ts: failed to import "/node_modules/@astrojs/starlight/integrations/expressive-code
/index.ts"
|- AstroUserError: Failed to get locale informations for the 'en' locale.
    at new AstroUserError (/home/xxx/docs/node_modules/astro/dist/core/errors/errors.js:96:9)
    at getLocaleInfo (:99:47)
    at <anonymous> (:5:48)
    at processTicksAndRejections (:12:39)

11:29:46 PM [vite] Error when evaluating SSR module /home/xxx/docs/astro.config.mjs: failed to import "/node_modules/@astrojs/starlight/index.ts"
|- AstroUserError: Failed to get locale informations for the 'en' locale.
    at new AstroUserError (/home/xxx/docs/node_modules/astro/dist/core/errors/errors.js:96:9)
    at getLocaleInfo (:99:47)
    at <anonymous> (:5:48)
    at processTicksAndRejections (:12:39)

[astro] Unable to load your Astro config

[AstroUserError] Failed to get locale informations for the 'en' locale.
  Hint:
    Make sure to provide a valid BCP-47 tags (e.g. en, ar, or zh-CN).
  Stack trace:
    at new AstroUserError (/home/xxx/docs/node_modules/astro/dist/core/errors/errors.js:96:9)
    at <anonymous> (:5:48)
error: script "dev" exited with code 1