.docksal/commands/init: line 52: warning: command substitution: ignored null byte in input You have unsaved local changes

[undersound]

This is more a question out of curiousity...why is the following warning occuring when running fin project create

/home/myhome/sandbox/gravtest/.docksal/commands/init: line 52: warning: command substitution: ignored null byte in input
  You have unsaved local changes

Full log below

Enter your choice (0-18): 13

Project folder:   /home/myhome/sandbox/gravtest
Project software: Grav CMS
Source repo:      https://github.com/docksal/boilerplate-grav.git
Project URL:      http://gravtest.docksal

Do you wish to proceed? [y/n]: y
Cloning repository...
Cloning into 'gravtest'...
remote: Enumerating objects: 4833, done.
remote: Counting objects: 100% (4833/4833), done.
remote: Compressing objects: 100% (3854/3854), done.
remote: Total 4833 (delta 949), reused 3526 (delta 686), pack-reused 0
Receiving objects: 100% (4833/4833), 8.48 MiB | 3.70 MiB/s, done.
Resolving deltas: 100% (949/949), done.

3. Passing execution to fin init...

/home/myhome/sandbox/gravtest/.docksal/commands/init: line 52: warning: command substitution: ignored null byte in input
  You have unsaved local changes
  Re-install is going to remove them.
  See git status for details.
Continue? (y/n):