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AutoCAD Based Launching HydraCAD (Ribbon/Toolbar/Location)
Description:
When opening HydraCAD and trying to open a drawing or a template, you get the error message;
Also happened when layers were isolated trying to burst objects
'unrecognized version and cannot be read'
Unknown
Go into [Tools|Options} and in the FILES tab check to see if you have duplicate paths in the [Printer Support Path|Plot Style Table Search Path].
Remove any duplicates
Unknown
Turn off the computer and turn it back on (NOT a restart). Was working again after that. Also may be related to xref'd items which are no longer found or linked to the open drawing.