Hi Chris
It's an application error...
Faulting application name: Photoshop.exe, version: 15.0.0.58, time stamp: 0x536b438e
Faulting module name: Photoshop.exe, version: 15.0.0.58, time stamp: 0x536b438e
Exception code: 0xc0000005
Fault offset: 0x00000000012d8120
Faulting process id: 0x166c
Faulting application start time: 0x01cfa579a3b2a815
Faulting application path: C:\Program Files\Adobe\Adobe Photoshop CC 2014\Photoshop.exe
Faulting module path: C:\Program Files\Adobe\Adobe Photoshop CC 2014\Photoshop.exe
Report Id: fe67e94d-116d-11e4-b23d-d067e5e73dea