I can't enter the configuration. When I try to i receive this error:
\wwwroot\administrator\components\com_hotspots\views\settings\tmpl\default.php on line 58
See also the attachment

And when trying to add a hotspot from the frontend its:
To use reCAPTCHA you must get an API key from http://recaptcha.net/api/getkey
I get. I assume you can set this in the configuration?