Garageband 8-bit error
I usually record class lectures using garageband. I haven't had any problems so far, but one of the lecture is giving me an error. This is the first time i have tried to open it since it was recorded. At first i get a message that says "this file is not supported" then it says "GarageBand found 1 audio file(s) in 8 bit format. This format is unsupported and cannot be played back."
I have been trying for hours without any luck. Is this an unfixable bug? Anyone find a fix?
thank you
MacBook Air (13-inch Mid 2013), OS X Yosemite (10.10.2)