Mandatory information about my setup:

Have I searched the tickets before posting? Yes
Have I searched the forum before posting? Yes
Have I read the documentation before posting (which pages?)? Yes
Joomla! version: (2.5.18)
PHP version: (5.3.28 )
MySQL version: (5.5.30-30.1 )
Hotspots version: (3.6.2)
Direct link to the page that shows the issue: (administrator area)


Description of my issue:
After upgrading HotSpots to 3.6.2 version current map menus show the following error message and does'nt allow to modify their content:

Fatal error: Call to undefined method JFormFieldHotspotsLanguage::getAttribute() in /administrator/components/com_hotspots/models/fields/hotspotslanguage.php on line 37

Thanks in advance for your help.

KR