Pencil tool not working

Pencil tool will not engage when clicked. Fedora 29

Version: 6.1.2.1
Build ID: 6.1.2.1-2.fc29
CPU threads: 4; OS: Linux 4.18; UI render: default; VCL: gtk3;
Locale: en-US (en_US.UTF-8); Calc: group threaded.

image description

I added a snap shot to your Q. If this is not what you mean, then re-edit your Q here and remove or adjust this.

Thanks for the assist @EasyTrieve