Lightroom Merge to panorama fails with new update

I have the following version/specs and yet when I try to create a panorama I get the error of unable to create, reselect pictures.....

When I use PHOTOSHOP CC via edit-Merge to panorama in photoshop it works fine.

Lightroom version: CC 2015.12 [ 1125239 ]

License: Creative Cloud

Operating system: Mac OS 10

Version: 10.12 [5]

Application architecture: x64

Logical processor count: 4

Processor speed: 2.5 GHz

Built-in memory: 16,384.0 MB

Real memory available to Lightroom: 16,384.0 MB

Real memory used by Lightroom: 598.5 MB (3.6%)

Virtual memory used by Lightroom: 4,843.2 MB

Memory cache size: 1,448.3MB / 3,864.7MB (37.5%)

Maximum thread count used by Camera Raw: 3

Camera Raw SIMD optimization: SSE2,AVX

Camera Raw virtual memory: 1080MB / 8191MB (13%)

Displays: 1) 1920x1080

Until the newest update recently it worked just fine and did a better job on content aware than Pshop.