Error on load and export users

XML Parsing Error: not well-formed
Location: https://localhost/mysite/administrator/index.php?option=com_vdata&view=vdata
Line Number 20, Column 61: source = new EventSource("index.php?option=com_vdata&view=vdata&task=live_chart_data_test");

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Can you please let me know how to fix this. Product is not working.

I am running Joomla 3.6.5 on PHP 7 Xampp / Localhost

Thank you,

Update: I fixed this error by editing php.ini to compile php_com_dotnet.dll

However I still can't export users.

PattiG wrote: However I still can't export users.

XML does not work but .csv does, so I am doing that (50000 lines).