<font face="Arial, Verdana">Unfortuneately some languages contain chars making problems in front end mode, which we detected only after the release so it will be solved in next release.</font>
The solution is to start fronend with explicitly selecting language. Easiest way is if you have no users defined. Then you can open the interface in any browser with
<font face="Arial, Verdana">http://youriphere:3344/modules/front2/www/app.html?lang=en</span></font><br/></div><div><font face="Arial, Verdana">
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<font face="Arial, Verdana">see then lang=en at the end! Then you can select a working language for interface until next release.</font>
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<font face="Arial, Verdana">Alternative login with ssh and go to</font>
<font face="Arial, Verdana">.config/openbox</font>
<font face="Arial, Verdana">and oprn autostart e.g.</font>
<font face="Arial, Verdana">nano autostart</font>
<font face="Arial, Verdana">and edit the url in the command line to end with lang=en</font>
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<font face="Arial, Verdana">restart pi and it should work again.</font>