* Fixed overrideFrequency to properly allow for floats with a minimum of 410 MHz and maximum of 930 MHz. Added 3 decimal point check. * Removed duplicate error message in FormInput.tsx * Added error message for overrideFrequency in several locales * Simplified check and reverted translated languages to English besides German. Also fixed a typo in src/components/UI/Input.tsx. * Let i18n handle fallback + linting --------- Co-authored-by: philon- <jeremy@gallant.se>