I'm unable to open my piw project file, an get the error "Error occurred while opening a PIW file. CTOCEntries::Load()" on opening of file. Please suggest any solution.
Thanks for posting on PI Square.
That error message is typically associated with a corrupted Processbook file. Here is some documentation on the matter:
KB00916 - Error Occurred Opening PIW File
I recommended contacting Tech Support using any method below to see if you can recover the displays in the PIW file:
Tech Support - Contact Us
Retrieving data ...