Traccar 5.3 calendar

When i press (+) to add new calendar showing white page only

Check browser console for errors.

react-dom.production.min.js:189 DOMException: Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the Latin1 range.
    at YZ (localhost:8082/static/js/main.787da482.js:2:3805605)
    at WZ (localhost:8082/static/js/main.787da482.js:2:3806370)
    at To (localhost:8082/static/js/main.787da482.js:2:683259)
    at Ml (localhost:8082/static/js/main.787da482.js:2:740499)
    at bc (localhost:8082/static/js/main.787da482.js:2:729435)
    at vc (localhost:8082/static/js/main.787da482.js:2:729363)
    at gc (localhost:8082/static/js/main.787da482.js:2:729226)
    at ic (localhost:8082/static/js/main.787da482.js:2:726006)
    at lc (localhost:8082/static/js/main.787da482.js:2:726397)

What language are you using?

I think the Problem too in the Arabic language
in English I have no problem

This should fix the problem:

https://github.com/traccar/traccar-web/commit/15ada91c82bdb3487e32fe7f5c85164e8074e7fc

Thanks Anton I will recompile app