The error message that comes up is:
'The clipboard audio format does not match the current project sample rate.'

"Clipboard audio format..."?
I don't think I've ever heard or seen such a message!
Anyways, that should mean the sample rates aren't set correctly, but having read this thread - I wouldn't bet on it.

Does the sample rate for the wave files themselves match what the project sample rate is/should be?
 

stevec


Does the sample rate for the wave files themselves match what the project sample rate is/should be?
 

Hmm perhaps not... how do you check/change this? I don't ever remember checking the sample rate of a wave file 

So is there really no way for me to work with my old projects... Apart from importing separate clips.

JonBoh


So is there really no way for me to work with my old projects... Apart from importing separate clips.

There is something peculiar about your old projects. What format are they in? CWP, CWB, or something else. 

I can open every project I've made the last 10 years or so through various versions of Sonar so I don't know what's up with yours. 

They are CWP.

Do you still have the version of Sonar that created them? 

Yes, Producer Expanded and I have not made any big changes to the program since I made the projects.

Hi,

Daveny has recommend to copy your tracks from the damaged project to a new project 
folder by shortcuts.
While trying them you got this error message:

The clipboard audio format does not match the current project sample rate.



So you can try to change the sample rate of the new created song,till it fits ,means till 
you are able to copy this tracks into the new project .

You can  try  all sample rates possible.

good luck