Error at the line 210004: ADD KEY `view_date` (`view_date`) USING BTREE;
Query: --
--
ALTER TABLE `xf_session_activity`
ADD PRIMARY KEY (`user_id`,`unique_key`),
ADD KEY `view_date` (`view_date`) USING BTREE
MySQL: Duplicate entry '0-\x8D\x08\xB74' for key 'PRIMARY'