Can not get 3D Manipulation to work in Arnold 6 Maya 2020.
00:00:00 1126MB WARNING | [mtoa] [<built-in>] [node aov_write_vector] Assigning temporary node id 1138176 to associated Maya type name aiAovWriteVector.
Follow these instructions to resolve the issue:
1. Close Maya and install the latest version of the Arnold plugin (mtoa). Download the plug-in from Solid Angle
2. Reset Maya to default user preferences. This will rule out the possibility of corrupted modules causing the problem.