Symptoms

Opening the project leads to the "Invalid version of Project" error.

Cause

For some reason, project files were corrupted.

Resolution

1. Close FlexiCapture.
2. Save the copy of the project (just in case).
3. Open the folder where this project is stored and delete (or move to another directory) the file named <projectName>.fcproj.sync
4. Open the project once again in FlexiCapture.(Using the administrator role, if that is the "Operator station" for FC 11)

Check wiki for detailed instructions.