these lines have not been translated
https://github.com/traccar/traccar-web/blob/e87a999c4adcc3ac09e54d79afbfc96fa8ddaa9b/src/resources/l10n/es.json#L183https://github.com/traccar/traccar-web/blob/e87a999c4adcc3ac09e54d79afbfc96fa8ddaa9b/src/resources/l10n/es.json#L337
You're welcome to translate it:
https://app.transifex.com/traccar/traccar/web/
these lines have not been translated
https://github.com/traccar/traccar-web/blob/e87a999c4adcc3ac09e54d79afbfc96fa8ddaa9b/src/resources/l10n/es.json#L183
https://github.com/traccar/traccar-web/blob/e87a999c4adcc3ac09e54d79afbfc96fa8ddaa9b/src/resources/l10n/es.json#L337