Error with Pages module

I am getting this error upon opening of Pages Module:

Notice: Use of undefined constant LIBXML_HTML_NOIMPLIED - assumed 'LIBXML_HTML_NOIMPLIED' in /home2/discove4/public_html/modules/aqb/location_picker/classes/AqbLocationPickerModule.php on line 68

Notice: Use of undefined constant LIBXML_HTML_NODEFDTD - assumed 'LIBXML_HTML_NODEFDTD' in /home2/discove4/public_html/modules/aqb/location_picker/classes/AqbLocationPickerModule.php on line 68

Warning: DOMDocument::loadHTML() expects parameter 2 to be long, string given in /home2/discove4/public_html/modules/aqb/location_picker/classes/AqbLocationPickerModule.php on line 68

Notice: Trying to get property of non-object in /home2/discove4/public_html/modules/aqb/location_picker/classes/AqbLocationPickerModule.php on line 72

Fatal error: Call to a member function removeChild() on null in /home2/discove4/public_html/modules/aqb/location_picker/classes/AqbLocationPickerModule.php on line 72