PT 12 Save As Template Error

Anyone else getting an error while trying to save a session as a template? Here is the the error message.

Could not save as "SessionName" because Assertion in "/Volumes/Development/148208/ProTools/NewFileLibs/CoreFoundation/MacBuild/../../Sys/Sys_FileLoc.cpp" line 199


Pro Tools 12. 2014 Mac Book Pro. OS 10.10.3: UA Apollo Twin Duo