I'm doing vocal takes and am experiencing something weird.
 
I'm recording in comp mode. It's creating separate take lanes, but then, the only vocal take that has a solid wave (and sound) is the last take. All I get for the other takes' wave forms is the outline of the wave. I don't have anything soloed or muted on the vocal takes, and I can't work with any of the takes, except the last one. 
 
Any ideas would be appreciated. Thanks!

It sounds like you also have Punch Recording enabled with Mute Previous Takes checked. Punch Recording overrides the automatic clip splitting and muting of Comp Recording mode, and uses 'region muting' to mute the punched region of a previous take. You can undo the region muting by swiping through the upper half of the clip with the Mute tool (an optional mode of the Erase button in the Tools module).
 
P.S. You can use Loop Recording to limit the region that gets recorded without enabling Autopunch.

brundlefly
It sounds like you also have Punch Recording enabled with Mute Previous Takes checked. Punch Recording overrides the automatic clip splitting and muting of Comp Recording mode, and uses 'region muting' to mute the punched region of a previous take. You can undo the region muting by swiping through the upper half of the clip with the Mute tool (an optional mode of the Erase button in the Tools module).
 
P.S. You can use Loop Recording to limit the region that gets recorded without enabling Autopunch.

Upon further review, that is EXACTLY what happened. I had to sweep through the clip with the mute tool and that brought back the body of the waveform (as opposed to just the outline of the waveform), and then I clicked inside the waveform with the mute tool and the waveform was back!
 
Thanks very much! 
 
Am trying the Loop Recording, but it seems to be behaving the same way? I'm looping (where before I was punching in) at the place where the vocals start and recording all the way through the song, so it's not like I'm looping in and out. 

Comp Recording largely eliminates the need to punch in at fixed start and end points because you can record a partial take of any length over a previous take, and then adjust the split points and autofade durations to get the most seamless transitions between the two (or more) takes.
 
You can use looping to limit the recorded range and/or record several takes in a row without stopping to allow choosing the best one or parts of several using the Comp editing tools. But the start point of the first pass will be determined by where the Now time is when you hit 'R'. If you make the looped section start and end a few bars before and after the section to be replaced and start recording at the beginning of the loop, you'll have some wiggle room for where to put the comping splits. If you stop recording after the tranport loops back, you'll want to show lanes and delete that last partial lane, and 'heal' the splits it causes in other takes.
 
Check out the SONAR Ref. Guide on how Comp Recording and Comp Tool work, and all of this will make more sense.

I hate when this happens, why is the "muted" section not brought back to "life" with a simple "K" keystroke.
Burned my ar$e last week!
I had to "remember" how to "fix" it.
PITA