Error

consulta SQL:

CREATE TABLE `mdl_auth_oauth2_linked_login` (
  `id` bigint(10) NOT NULL AUTO_INCREMENT,
  `timecreated` bigint(10) NOT NULL,
  `timemodified` bigint(10) NOT NULL,
  `usermodified` bigint(10) NOT NULL,
  `userid` bigint(10) NOT NULL,
  `issuerid` bigint(10) NOT NULL,
  `username` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '',
  `email` longtext COLLATE utf8mb4_unicode_ci NOT NULL,
  `confirmtoken` varchar(64) COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '',
  `confirmtokenexpires` bigint(10) DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `mdl_authoautlinklogi_useis_uix` (`userid`,`issuerid`,`username`),
  KEY `mdl_authoautlinklogi_issuse_ix` (`issuerid`,`username`),
  KEY `mdl_authoautlinklogi_use_ix` (`usermodified`),
  KEY `mdl_authoautlinklogi_use2_ix` (`userid`),
  KEY `mdl_authoautlinklogi_iss_ix` (`issuerid`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci ROW_FORMAT=COMPRESSED COMMENT='Accounts linked to a users Moodle account.'