i installed YAMon4 on openwrt i gets these message
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Ah nuts! An unexpected JavaScript error has prevented the reports from opening properly.
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for those who have same problem reinstalled again and don't launch YAMon4 in setup and enter this command ln -s /tmp/www /www/yamon and make sure openwrt time is correct with YAMon4 and it will work for you and run this command sh /opt/YAMon4/new-hour.sh and lanuch it