Interesting. I don't seem to have that problem. I installed otter-browser and it seems to run without any errors. Can you post the output of the command
pkg install otter-browser
root@neville-ghostbsd /h/neville# pkg ins otter-browser
Updating GhostBSD repository catalogue...
GhostBSD repository is up to date.
Updating GhostBSD-base repository catalogue...
GhostBSD-base repository is up to date.
All repositories are up to date.
The following 11 package(s) will be affected (of 0 checked):
New packages to be INSTALLED:
otter-browser: 1.0.03_2 [GhostBSD]
qt5-location: 5.15.18p7 [GhostBSD]
qt5-multimedia: 5.15.18p2 [GhostBSD]
qt5-opengl: 5.15.18p109 [GhostBSD]
qt5-printsupport: 5.15.18p109 [GhostBSD]
qt5-script: 5.15.19p0_1 [GhostBSD]
qt5-serialport: 5.15.18p0 [GhostBSD]
qt5-sqldrivers-sqlite3: 5.15.18p109 [GhostBSD]
qt5-webchannel: 5.15.18p3 [GhostBSD]
qt5-webengine: 5.15.19p0_3 [GhostBSD]
qt5-xmlpatterns: 5.15.18p0 [GhostBSD]
Number of packages to be installed: 11
The process will require 182 MiB more space.
54 MiB to be downloaded.