AWS Plugin: sam build The directory name is invalid:

Having an issue on building a lambda with IntelliJ and AWS plugin.  Not sure why it is putting double backslash between the directories and have no idea where to fix it.  

C:\Users\eb96409\AppData\Roaming\Python\Python37\Scripts\sam.exe build --template C:\REGAPI\hubintergration\template.yaml --build-dir C:\REGAPI\hubintergration\.aws-sam\build HandlerFunction
2019-09-24 14:38:10 Building resource 'HandlerFunction'
2019-09-24 14:38:12 Running JavaMavenWorkflow:CopySource

Error: JavaMavenWorkflow:CopySource - [WinError 267] The directory name is invalid: 'C:\\REGAPI\\hubintergration\\vvAuth.jar'
Build Failed

AWS toolkit 1.6

IntelliJ IDEA 2019.2.2 (Ultimate Edition)
Build #IU-192.6603.28, built on September 6, 2019
Runtime version: 11.0.3+12-b304.56 amd64
VM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
Windows 10 10.0
GC: ParNew, ConcurrentMarkSweep
Memory: 1946M
Cores: 12
Registry: