New MetadataEvent 'TaskArtifacts' causes this error.
Processing of this event will hopefully be implemented in future.
For now it should be enough to just skip it.
(Bitbake rev: 114a3fe3f23ef09782c5aa18f425d0d0dbdfdd35)
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Michael Wood <michael.g.wood@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>