VN Translator
VNTl • Docs

Common issues

This page lists frequent problems and the fastest fixes.

Translation API errors

401 Unauthorized

  • key is wrong, revoked, or missing billing access
  • re-create the key and try again

See: API keys

429 Too Many Requests

  • rate limit reached
  • reduce batch size
  • wait and retry
  • avoid running multiple translators in parallel tabs

Timeout / Network error

  • retry
  • switch backend (DeepSeek ↔ OpenAI ↔ DeepL)
  • check your connection

Ren’Py: “ScriptError” / traceback after replacing .rpy

Most common causes:

  • missing closing tag (e.g., {i} without {/i})
  • modified variable name ([player] changed)
  • broken quotes or indentation

Fix:

  • open the file
  • locate the failing line from traceback
  • correct tags/variables
  • export again

RPG Maker: game won’t start / “Invalid JSON”

Most common causes:

  • broken quotes (" not escaped)
  • incorrect backslash escaping
  • trailing commas

Fix:

  • validate the JSON in an editor
  • restore escapes (\\)
  • export again

Preview doesn’t show changes

  • refresh the preview page
  • re-export translation and ensure the latest file is loaded
  • clear old sessions if you have stale data

Performance issues

If the UI becomes slow:

  • translate smaller batches
  • translate fewer files at a time
  • close heavy tabs
  • clear old sessions/storage

See: System requirements