Forum Fatal Error with vb_legacy_user on Search
 

When my board is searched using Advanced Search, the resulting page is a Fatal Error:

Code:
Warning: array_key_exists() [function.array-key-exists]: The second argument should be either an array or an object in [path]/vb/legacy/dataobject.php on line 37
vB_Legacy_User does not have a field 'username' on line 40 in /homepages/38/d264931941/htdocs/2ribe/vb/legacy/dataobject.php
#0 /homepages/38/d264931941/htdocs/2ribe/packages/vbforum/search/result/post.php(139): vB_Legacy_Dataobject->get_field('username')
#1 /homepages/38/d264931941/htdocs/2ribe/vb/search/resultsview.php(94): vBForum_Search_Result_Post->render(Object(vB_Legacy_CurrentUser), Object(vB_Search_Criteria))
#2 /homepages/38/d264931941/htdocs/2ribe/vb/search/resultsview.php(158): vb_Search_Resultsview->render_searchbits(Array)
#3 /homepages/38/d264931941/htdocs/2ribe/search.php(394): vb_Search_Resultsview->showpage(0, NULL, 'search.php?sear...', Array)
#4 {main}


Fatal error: vB_Legacy_User does not have a field 'username' on line 40 in [path]/vb/legacy/dataobject.php in [path]/vb/vb.php on line 287
#0 vb_error_handler(256, vB_Legacy_User does not have a field 'username' on line 40 in /homepages/38/d264931941/htdocs/2ribe/vb/legacy/dataobject.php , /homepages/38/d264931941/htdocs/2ribe/vb/vb.php, 287, Array ([exception] => Exception Object ([] => vB_Legacy_User does not have a field 'username',[] => ,[] => 0,[] => /homepages/38/d264931941/htdocs/2ribe/vb/legacy/dataobject.php,[] => 40,[] => Array ([0] => Array ([file] => /homepages/38/d264931941/htdocs/2ribe/packages/vbforum/search/result/post.php,[line] => 139,[function] => get_field,[class] => vB_Legacy_Dataobject,[type] => ->,[args] => Array ([0] => username)),[1] => Array ([file] => /homepages/38/d264931941/htdocs/2ribe/vb/search/resultsview.php,[line] => 94,[function] => render,[class] => vBForum_Search_Result_Post,[type] => ->,[args] => Array ([0] => vB_Legacy_CurrentUser Object ([] => ,[] => Array (),[] => Array (),[] => vB_Registry Object ([datastore] => vB_Datastore Object ([defaultitems] => Array ([0] => options,[1] => bitfields,[2] => attachmentcache,[3] => forumcache,[4] => usergroupcache,[5] => stylecache,[6] => languagecache,[7] => products,[8] => pluginlist,[9] => cron,[10] => profilefield,[11] => loadcache,[12] => noticecache),[registry] => vB_Registry Object ( *RECURSION*,[dbobject] => vB_Database_MySQLi Object ([functions] => Array ([connect] => mysqli_real_connect,[pconnect] => mysqli_real_connect,[select_db] => mysqli_select_db,[query] => mysqli_query,[query_unbuffered] => mysqli_unbuffered_query,[fetch_row] => mysqli_fetch_row,[fetch_array] => mysqli_fetch_array,[fetch_field] => mysqli_fetch_field,[free_result] => mysqli_free_result,[data_seek] => mysqli_data_seek,[error] => mysqli_error,[errno] => mysqli_errno,[affected_rows] => mysqli_affected_rows,[num_rows] => mysqli_num_rows,[num_fields] => mysqli_num_fields,[field_name] => mysqli_field_tell,[insert_id] => mysqli_insert_id,[escape_string] => mysqli_real_escape_string,
That's only a portion of the text on the error page... it's an extremely long error page.

The board was imported to vbulletin 4.0.3 from phpbb3 about a month ago, and we've had this search error ever since.

Please help!