TypeError: helper_plugin_spatialhelper_search::findNearbyLatLon(): Argument #2 ($lon) must be of type float, string given, called in /data/www/wild-water.nl/www/dokuwiki/lib/plugins/spatialhelper/action.php on line 209

An unforeseen error has occured. This is most likely a bug somewhere. It might be a problem in the spatialhelper plugin.

More info has been written to the DokuWiki error log.