Also posted to the Mingle support forum:
Additional info: I’ve run the installation/setup with debug turned on: here are the relevant messages:
On installing Mingle:
Notice: load_plugin_textdomain was called with an argument that is deprecated since version 2.7 with no alternative available. in /nas/wp/www/cluster-1307/goodshot/wp-includes/functions.php on line 2724
Notice: has_cap was called with an argument that is deprecated since version 2.0! Usage of user levels by plugins and themes is deprecated. Use roles and capabilities instead. in /nas/wp/www/cluster-1307/goodshot/wp-includes/functions.php on line 2722
Notice: Undefined index: page in /nas/wp/www/cluster-1307/goodshot/wp-content/plugins/mingle/classes/controllers/MnglAppController.php on line 183
After clicking on the Mingle Admin link:
Notice: has_cap was called with an argument that is deprecated since version 2.0! Usage of user levels by plugins and themes is deprecated. Use roles and capabilities instead. in /nas/wp/www/cluster-1307/goodshot/wp-includes/functions.php on line 2722
Notice: Undefined index: action in /nas/wp/www/cluster-1307/goodshot/wp-content/plugins/mingle/classes/controllers/MnglOptionsController.php on line 12
On Submit after specifying Mingle pages:
Notice: Undefined index: mngl-default-friends in /nas/wp/www/cluster-1307/goodshot/wp-content/plugins/mingle/classes/models/MnglOptions.php on line 287
Notice: Undefined index: mngl-invisible-users in /nas/wp/www/cluster-1307/goodshot/wp-content/plugins/mingle/classes/models/MnglOptions.php on line 288
Notice: Undefined property: MnglOptions::$smtp_settings_str in /nas/wp/www/cluster-1307/goodshot/wp-content/plugins/mingle/classes/models/MnglOptions.php on line 296
Notice: Undefined index: in /nas/wp/www/cluster-1307/goodshot/wp-content/plugins/mingle/classes/models/MnglOptions.php on line 296
Notice: Undefined index: mngl_custom_fields in /nas/wp/www/cluster-1307/goodshot/wp-content/plugins/mingle/classes/models/MnglOptions.php on line 297
After making other profile changes and submitting:
Fatal error: main() [<a href='function.main'>function.main</a>]: The script tried to execute a method or access a property of an incomplete object. Please ensure that the class definition "MnglOptions" of the object you are trying to operate on was loaded _before_ unserialize() gets called or provide a __autoload() function to load the class definition in /nas/wp/www/cluster-1307/goodshot/wp-content/plugins/mingle/mingle.php on line 90