My custom Audio Unit opens in AU Lab but not Garageband or Ableton

My custom Audio Unit opens in AU Lab but not Garageband or Ableton

References

Reference NO 1

http://stackoverflow.com/questions/13650203/my-custom-audio-unit-opens-in-au-lab-but-not-garageband-or-ableton

Reference NO 2

http://www.kvraudio.com/forum/viewtopic.php?p=5388170

Reference NO 3

https://developer.apple.com/library/mac/documentation/musicaudio/Conceptual/AudioUnitProgrammingGuide/AudioUnitDevelopmentFundamentals/AudioUnitDevelopmentFundamentals.html

Reference NO 4

http://en.wikipedia.org/wiki/GarageBand

Reference NO 5

http://www.sonomawireworks.com/drumcore/guide/

Reference NO 6

http://jvstwrapper.sourceforge.net/

Reference NO 7

https://kineme.net/taxonomy/term/470/0

Reference NO 8

http://www.intermorphic.com/noatikl/userguide/Noatikl-2-User-Guide-Desktop.pdf