Applies To:
  • CitectSCADA 5.31, 5.40, 5.40 Service Pack A
Summary:
A corrupt master trend file (a trend data file with an .hst extension) may cause Citect to display the following error message and then shutdown.

Assertion Failed!

Program: D:\citect\bin\citect32.exe

File: c:\citect\v531r0\source\cit\commonlib...

Line:774

Expression ncount >=0

 

Solution:
Deleting the master trend file will allow Citect to start up normally.

CIT has confirmed this to be a problem in Citect for Windows versions 5.31 to 5.40 Service Pack B. This problem has been fixed in version 5.41.

 
Keywords:
 

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