如何解决SQL错误：ORA-01843：无效月份

Question

知道我的查询出了什么问题吗？我正在尝试更新数据库的一行，但是我正在使用的查询导致异常。UPDATE Table1SET CHANGE_DELIVERY_REASON    = 'Card Activation',CHANGE_DELIVERY_NOTE        = 'ACTIVATION SUCCESS [1 OK - 2 OK]',RECONCILIATION_STATUS       = 1 ,RECONCILIATION_LAST_UPDATED = '23/4/2018 12:00:00 AM',RECONCILIATION_COUNT        = '6',ACTIVATION_FAILURE          = 'SUCCESS';我收到此错误：“ SQL错误：ORA-01843：无效月份”我没有弄清楚我的查询出了什么问题。updateQuery = " UPDATE " + clsUtility.GetMasterTable() + " SET ";updateQuery += "   CHANGE_DELIVERY_REASON = 'Card Activation', ";updateQuery += "   CHANGE_DELIVERY_NOTE = '" + notes + "', ";updateQuery += "   RECONCILIATION_STATUS = 1 , ";updateQuery += "   RECONCILIATION_LAST_UPDATED = '" + DateTime.Today + "', ";updateQuery += "   RECONCILIATION_COUNT = '" + reconciliation_count + "',";updateQuery += "   ACTIVATION_FAILURE = '" + resultPart + "', ";