I keep a PowerPoint with screenshots of bizarre CATIA/ENOVIA error messages. It's up to 8 slides now, completely covered with errors. A few other highlights:
"As it was too important, the number of workspaces has been reduced."
"Primitive Value is not an AggrInstance"
"Instead of directly transforming an import, we recommend you apply the Add Position contextual command onto the solid. Then the required GSD transformation must be applied to the axis system of the Positioning Set. Do you want to go on with the transformation or quit the command and follow our recommendation? (Yes/No buttons)"
"A problem occurs during Process."
"Error: Error Stack is empty."
an empty dialog box with options of "OK" or "Cancel."
"An error condition has been detected, but no error information."
While performing a Surface to Surface analysis: Status: 104% complete, 1193hr 2min 46sec remaining.
"Cannot bitblt"
"Technological Package found use appropriate engine to handle it. It can not be saved as a File."