编译明细保存后一致提示“稍候”，不自动刷新已解决 悬赏25积分

错误日志，一直提示如下

18:00:25 ERROR: SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry '26993' for key 'PRIMARY'The sql is: INSERT INTO `zt_history` SET `field` = 'assignedTo',`old` = 'jiangchao',`new` = 'caiyujiang',`diff` = '',`action` = '27490' in F:\xampp\zentao\lib\base\dao\dao.class.php on line 1318, last called by F:\xampp\zentao\lib\base\dao\dao.class.php on line 776 through function sqlError.
 in F:\xampp\zentao\framework\base\router.class.php on line 1932 when visiting task-finish-3443