我使用的是用友畅捷通T+财务管理软件，在操作T+初始化模块的时候碰到了个问题：
T+12.0升级12.1 报错
请教用友财务软件工程师如何解决？具体的情况如下：
2018-03-13 12:56:21 升级出错，错误信息：升级脚本出错，错误信息：SQL 脚本: 12.000.999.9999 DATA_DSTR_EAP_GUID_DropConstraintAndIndex.sql 出错：未能删除约束。请参阅前面的错误信息。A severe error occurred on the current command. The results, if any, should be discarded.drop all Index at Ufida.T.SM.Upgrade.Service.UpgradeHelper.ExecuteScript(TongVersion version, Queue`1 upgardeItems, VersionTypeEnum product, String currentDBName) at Ufida.T.SM.Upgrade.Service.UpgradeHelper.UpgradeStruct(TongVersion version, VersionTypeEnum product, String currentDBName) at Ufida.T.SM.Upgrade.Service.UpgradeService.VersionsUpgrade(UpgradeContext context) at Ufida.T.SM.Upgrade.Service.UpgradeService.ExecUpgradeScript(UpgradeContext context) at Ufida.T.SM.Upgrade.Service.UpgradeService.Upgrade(UpgradeContext context)![具体出错信息请参见:E:\Chanjet\TPlusStd12100\Appserver\server\..\logs\UFTData315178_000003_Upgrade.log![具体出错信息请参见:E:\Chanjet\TPlusStd12100\Appserver\server\..\logs\UFTData315178_000003_Upgrade.log2018-03-13 12:56:21 at Ufida.T.EAP.Aop.Dynamic.LocalCallDynamicProxyImpl.NormalInvoke(MethodBase method, Object[] args, Boolean needFreeCuid) at Ufida.T.EAP.Aop.Dynamic.LocalCallDynamicProxyImpl.Invoke(IMessage message) at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type) at Ufida.T.SM.Upgrade.Interface.IUpgrade.Upgrade(UpgradeContext context) at Ufida.T.Tool.SM.Account.FrmMain.UpgradeSelectedAccount(Object obj)2018-03-13 12:56:21 选中账套个数:1 成功:0 失败:12018-03-13 12:56:21 账套执行升级完毕。
您好，重新备份后恢复升级试下，看是否备份文件损会导致。
