"Disc may be full" is cakewalks message when Windows lost the harddisc for a little moment - maybe !! 1 !! second.
You need to restart Sonar to see the hardisc again. There is no chance to save the project.

This is the worst of all Sonar bugs.

Dont know if this helps...

I had the same message using Word2003 this morning.

The way i eventually saved my doc was to try and save it as a different file type.  saved.. . then retried saving using the normal file type and it worked..

Assuming the post just above from THambrecht is correct, is it possible that those who suffer from this do not have their hard drives always powered on? If you still had the default power saving scheme from Windows and the hard drive was not ready, would it cause this?

I also wonder if there's any ratio of laptop to desktop users that have this issue with any frequency?    It's something that I just don't come across, but I've always (and still do) work on a desktop.
 

I believe FunkyBot is right that none of the audio should ever be lost. Much like Adobe Lightroom treats photos, Cakewalk shouldn't do anything at all to the original audio. It's non-destructive. The audio isn't touched, only read. Then, when you mix/export it produces a treated resulting copy of the audio with all the work Sonar does to it, but you should be able to cut your clips (slice and dice), save the project, close it, re-open it, and still be able to adjust the ends of clips (unless you bounce them to clips, which should only create copies of original audio, I believe). 

So, think of everything Sonar does is merely an overlay to your original audio. I think Cakewalk support should be able to walk the OP through this and at least minimize the issue. 

Then let's get on a good backup regimen. I've had issues with Auto-Save as well, so I've discontinued its use until I hear of improvements, but I manually save my work every 5-10 minutes or x-number of changes. Ctrl+S is very easy to make a habit. Archive your session daily, but not the audio. The audio shouldn't change, only session, unless you bounce (I believe).  

riojazz


Assuming the post just above from THambrecht is correct, is it possible that those who suffer from this do not have their hard drives always powered on? If you still had the default power saving scheme from Windows and the hard drive was not ready, would it cause this?

I have my power management set to always keep the hard drive on.


I'm also on a desktop.


Mind you, I've seen this issue in Sonar going back probably as far back as version 1 (though I'm not sure if it ever happened back in the Pro Audio 9 days). So, we're talking across multiple PC's (probably averaging right around 1 every two years) going back at least a decade.

brconflict : "I believe FunkyBot is right that none of the audio should ever be lost."

Things are already this way for audio and in the case of this thread audio was not lost.

This doesn't hold for midi but it would be nice if it did.

Midi was lost in the case in question.

midi solution:
make a directory easily accessed by your media browser. ctrl+a and drag everything to that directory.  of course, naming clips well is a pita.  make sure you have backups on all your user synth patch directories as well ( this is how i lost about a year of patch creation in rapture and dimension pro thanks to the lovely directory structures).

I've had this a few times. What worked each time for me (don't ask why) select all tracks and delete them in one go. Then undo the delete. Project comes back up , but with no error message.
 
Let me know if it works for anyone else.
 
Hope helps