请问为啥我现在每次进入S7软件：
软件都会跳出显示：
Program Error：
S7 usiapx.exe has generated errors and will be closed by windows.
You will need to restart the program.
An error log is being created.
在软件内还会出现：
Open project(257:90)
The project “shi”contains errors in the internal data structure
最佳答案
关于程序错误，建议你查看LOG文件，做进一步确定。
关于257：90的错误可以参考STEP7错误代码手册
http://cache.automation.siemens.com/dnl/DYxNTU2NQAA_770453_FAQ/STEP7_ErrorCode_engl.pdf
解决方法就是将项目另存为，但可能会有项目数据丢失的情况。
1. Close all the STEP 7 applications except the SIMATIC Manager.
2. With the menu command "File > Save as (with reorganization
(slow)) " create a of the project which you can then continue to work
with. Because of the faults in the existing project, this copy might not
contain all the data of the original project.
提问者对于答案的评价：
谢了
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