我的程序一直运行的很好，我只删除了一个多余的网络，下载、存盘后，提示：09/15/2004 2:42:58 PM - Program: Internal
error during saving (action 'Save') of the
data of server 's7xutomx.dll'.
帮助文件提示：
Help on Message 257:90
To Correct or Avoid Error:

1. Close all STEP 7 applications except the SIMATIC Manager.

2. Use the menu command "File > Save As (with rearrange (slow) option) to create a copy of the project, which you can use to continue your work. However, this copy may not contain all the data from the original project because of the defects in the existing project.
可我重新另存文件仍包含上面的错误，请教诸位我该如何处理？