You cannot call applyBodyParts or applyBodyColors on a bot.
Here are the console errors I get when using a clean install of Blockland
Add-Ons/Item_Spectator/server.cs (110): Unable to find object: '' attempting to call function 'applyBodyParts'
BackTrace: ->AIPlayer::hSpazzClick->AIPlayer::setWeapon->SpectatorClapImage::onMount->equipSpectatorHands->applySpectatorItemProperties
Add-Ons/Item_Spectator/clap.cs (76): Unable to find object: '' attempting to call function 'applyBodyParts'
BackTrace: ->AIPlayer::hLoop->SpectatorClapImage::onUnMount
Add-Ons/Item_Spectator/clap.cs (77): Unable to find object: '' attempting to call function 'applyBodyColors'
BackTrace: ->AIPlayer::hLoop->SpectatorClapImage::onUnMount