Error message

• Notice: Undefined index: mayo in drupal_theme_initialize() (line 100 of /var/www/drupal/drupal-7.99/includes/theme.inc).
• Notice: Trying to get property 'filename' of non-object in _drupal_theme_initialize() (line 146 of /var/www/drupal/drupal-7.99/includes/theme.inc).
• Notice: Undefined offset: 1 in _ldap_servers_decrypt() (line 97 of /var/www/drupal/drupal-7.99/sites/all/modules/ldap/ldap_servers/ldap_servers.encryption.inc).
• Notice: Trying to get property 'name' of non-object in _theme_load_registry() (line 335 of /var/www/drupal/drupal-7.99/includes/theme.inc).
• Notice: Undefined index: mayo in theme_get_setting() (line 1440 of /var/www/drupal/drupal-7.99/includes/theme.inc).
• Notice: Trying to get property 'filename' of non-object in theme_get_setting() (line 1487 of /var/www/drupal/drupal-7.99/includes/theme.inc).
• Notice: Trying to get property 'name' of non-object in _theme_load_registry() (line 319 of /var/www/drupal/drupal-7.99/includes/theme.inc).