Duplicate usernames in vBulletin table causing 500 error on import

Trying to import from vb4 and I am getting the following error:

An AJAX HTTP error occurred. HTTP Result Code: 500 Debugging information follows. Path: /batch?render=overlay&id=7&op=do StatusText: Service unavailable (with message) ResponseText: PDOException: SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry 'user_yim' for key 'name': INSERT INTO {profile_field} (title, name, explanation, category, page, type, weight, required, register, visibility, options) VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1, :db_insert_placeholder_2, :db_insert_placeholder_3, :db_insert_placeholder_4, :db_insert_placeholder_5, :db_insert_placeholder_6, :db_insert_placeholder_7, :db_insert_placeholder_8, :db_insert_placeholder_9, :db_insert_placeholder_10), (:db_insert_placeholder_11, :db_insert_placeholder_12, :db_insert_placeholder_13, :db_insert_placeholder_14, :db_insert_placeholder_15, :db_insert_placeholder_16, :db_insert_placeholder_17, :db_insert_placeholder_18, :db_insert_placeholder_19, :db_insert_placeholder_20, :db_insert_placeholder_21), (:db_insert_placeholder_22, :db_insert_placeholder_23, :db_insert_placeholder_24, :db_insert_placeholder_25, :db_insert_placeholder_26, :db_insert_placeholder_27, :db_insert_placeholder_28, :db_insert_placeholder_29, :db_insert_placeholder_30, :db_insert_placeholder_31, :db_insert_placeholder_32), (:db_insert_placeholder_33, :db_insert_placeholder_34, :db_insert_placeholder_35, :db_insert_placeholder_36, :db_insert_placeholder_37, :db_insert_placeholder_38, :db_insert_placeholder_39, :db_insert_placeholder_40, :db_insert_placeholder_41, :db_insert_placeholder_42, :db_insert_placeholder_43), (:db_insert_placeholder_44, :db_insert_placeholder_45, :db_insert_placeholder_46, :db_insert_placeholder_47, :db_insert_placeholder_48, :db_insert_placeholder_49, :db_insert_placeholder_50, :db_insert_placeholder_51, :db_insert_placeholder_52, :db_insert_placeholder_53, :db_insert_placeholder_54), (:db_insert_placeholder_55, :db_insert_placeholder_56, :db_insert_placeholder_57, :db_insert_placeholder_58, :db_insert_placeholder_59, :db_insert_placeholder_60, :db_insert_placeholder_61, :db_insert_placeholder_62, :db_insert_placeholder_63, :db_insert_placeholder_64, :db_insert_placeholder_65), (:db_insert_placeholder_66, :db_insert_placeholder_67, :db_insert_placeholder_68, :db_insert_placeholder_69, :db_insert_placeholder_70, :db_insert_placeholder_71, :db_insert_placeholder_72, :db_insert_placeholder_73, :db_insert_placeholder_74, :db_insert_placeholder_75, :db_insert_placeholder_76), (:db_insert_placeholder_77, :db_insert_placeholder_78, :db_insert_placeholder_79, :db_insert_placeholder_80, :db_insert_placeholder_81, :db_insert_placeholder_82, :db_insert_placeholder_83, :db_insert_placeholder_84, :db_insert_placeholder_85, :db_insert_placeholder_86, :db_insert_placeholder_87), (:db_insert_placeholder_88, :db_insert_placeholder_89, :db_insert_placeholder_90, :db_insert_placeholder_91, :db_insert_placeholder_92, :db_insert_placeholder_93, :db_insert_placeholder_94, :db_insert_placeholder_95, :db_insert_placeholder_96, :db_insert_placeholder_97, :db_insert_placeholder_98), (:db_insert_placeholder_99, :db_insert_placeholder_100, :db_insert_placeholder_101, :db_insert_placeholder_102, :db_insert_placeholder_103, :db_insert_placeholder_104, :db_insert_placeholder_105, :db_insert_placeholder_106, :db_insert_placeholder_107, :db_insert_placeholder_108, :db_insert_placeholder_109), (:db_insert_placeholder_110, :db_insert_placeholder_111, :db_insert_placeholder_112, :db_insert_placeholder_113, :db_insert_placeholder_114, :db_insert_placeholder_115, :db_insert_placeholder_116, :db_insert_placeholder_117, :db_insert_placeholder_118, :db_insert_placeholder_119, :db_insert_placeholder_120); Array ( [:db_insert_placeholder_0] => YIM [:db_insert_placeholder_1] => user_yim [:db_insert_placeholder_2] => [:db_insert_placeholder_3] => Contact [:db_insert_placeholder_4] => [:db_insert_placeholder_5] => textfield [:db_insert_placeholder_6] => 0 [:db_insert_placeholder_7] => 0 [:db_insert_placeholder_8] => 1 [:db_insert_placeholder_9] => 2 [:db_insert_placeholder_10] => [:db_insert_placeholder_11] => MSN [:db_insert_placeholder_12] => user_msn [:db_insert_placeholder_13] => [:db_insert_placeholder_14] => Contact [:db_insert_placeholder_15] => [:db_insert_placeholder_16] => textfield [:db_insert_placeholder_17] => 0 [:db_insert_placeholder_18] => 0 [:db_insert_placeholder_19] => 1 [:db_insert_placeholder_20] => 2 [:db_insert_placeholder_21] => [:db_insert_placeholder_22] => Skype [:db_insert_placeholder_23] => user_skype [:db_insert_placeholder_24] => [:db_insert_placeholder_25] => Contact [:db_insert_placeholder_26] => [:db_insert_placeholder_27] => textfield [:db_insert_placeholder_28] => 0 [:db_insert_placeholder_29] => 0 [:db_insert_placeholder_30] => 1 [:db_insert_placeholder_31] => 2 [:db_insert_placeholder_32] => [:db_insert_placeholder_33] => AIM [:db_insert_placeholder_34] => user_aim [:db_insert_placeholder_35] => [:db_insert_placeholder_36] => Contact [:db_insert_placeholder_37] => [:db_insert_placeholder_38] => textfield [:db_insert_placeholder_39] => 0 [:db_insert_placeholder_40] => 0 [:db_insert_placeholder_41] => 1 [:db_insert_placeholder_42] => 2 [:db_insert_placeholder_43] => [:db_insert_placeholder_44] => ICQ [:db_insert_placeholder_45] => user_icq [:db_insert_placeholder_46] => [:db_insert_placeholder_47] => Contact [:db_insert_placeholder_48] => [:db_insert_placeholder_49] => textfield [:db_insert_placeholder_50] => 0 [:db_insert_placeholder_51] => 0 [:db_insert_placeholder_52] => 1 [:db_insert_placeholder_53] => 2 [:db_insert_placeholder_54] => [:db_insert_placeholder_55] => Website [:db_insert_placeholder_56] => user_website [:db_insert_placeholder_57] => [:db_insert_placeholder_58] => Contact [:db_insert_placeholder_59] => [:db_insert_placeholder_60] => url [:db_insert_placeholder_61] => 0 [:db_insert_placeholder_62] => 0 [:db_insert_placeholder_63] => 1 [:db_insert_placeholder_64] => 2 [:db_insert_placeholder_65] => [:db_insert_placeholder_66] => Location [:db_insert_placeholder_67] => user_from [:db_insert_placeholder_68] => [:db_insert_placeholder_69] => Personal [:db_insert_placeholder_70] => [:db_insert_placeholder_71] => textfield [:db_insert_placeholder_72] => 0 [:db_insert_placeholder_73] => 0 [:db_insert_placeholder_74] => 1 [:db_insert_placeholder_75] => 2 [:db_insert_placeholder_76] => [:db_insert_placeholder_77] => Occupation [:db_insert_placeholder_78] => user_occ [:db_insert_placeholder_79] => [:db_insert_placeholder_80] => Personal [:db_insert_placeholder_81] => [:db_insert_placeholder_82] => textfield [:db_insert_placeholder_83] => 0 [:db_insert_placeholder_84] => 0 [:db_insert_placeholder_85] => 1 [:db_insert_placeholder_86] => 2 [:db_insert_placeholder_87] => [:db_insert_placeholder_88] => Interests [:db_insert_placeholder_89] => user_interests [:db_insert_placeholder_90] => [:db_insert_placeholder_91] => Personal [:db_insert_placeholder_92] => [:db_insert_placeholder_93] => textfield [:db_insert_placeholder_94] => 0 [:db_insert_placeholder_95] => 0 [:db_insert_placeholder_96] => 1 [:db_insert_placeholder_97] => 2 [:db_insert_placeholder_98] => [:db_insert_placeholder_99] => Gender [:db_insert_placeholder_100] => user_gender [:db_insert_placeholder_101] => [:db_insert_placeholder_102] => Personal [:db_insert_placeholder_103] => [:db_insert_placeholder_104] => selection [:db_insert_placeholder_105] => 0 [:db_insert_placeholder_106] => 0 [:db_insert_placeholder_107] => 1 [:db_insert_placeholder_108] => 2 [:db_insert_placeholder_109] => Male Female [:db_insert_placeholder_110] => Biography [:db_insert_placeholder_111] => user_biography [:db_insert_placeholder_112] => A few details about yourself [:db_insert_placeholder_113] => Personal [:db_insert_placeholder_114] => [:db_insert_placeholder_115] => textarea [:db_insert_placeholder_116] => 0 [:db_insert_placeholder_117] => 0 [:db_insert_placeholder_118] => 1 [:db_insert_placeholder_119] => 2 [:db_insert_placeholder_120] => ) in vbimportapi_import() (line 1015 of /Users/justin/Sites/theoc7/sites/all/modules/vbtodrupal/vbimportapi.module).

I know this technically is supposed to work for vb3 but I did see where you asked someone to pass along errors from vb4. Any ideas what is going on here?

Thanks!