virtualbox startup error

[Gary Aitken]

First time attempting to run virtual box, not sure where to go from here:

$ pkg info | grep virtualbox
virtualbox-ose-5.2.44          General-purpose full virtualizer for x86 hardware
virtualbox-ose-additions-5.2.44 VirtualBox additions for FreeBSD guests
virtualbox-ose-kmod-5.2.44     VirtualBox kernel module for FreeBSD

$ kldstat
Id Refs Address            Size     Name
  1   15 0xffffffff80200000 206c860  kernel
  2    1 0xffffffff8226e000 15cf0    fuse.ko
  3    1 0xffffffff82421000 2408     ums.ko
  4    1 0xffffffff82424000 76cc     tmpfs.ko
  5    1 0xffffffff8242c000 1bc0     umodem.ko
  6    1 0xffffffff8242e000 3c58     ucom.ko
  7    1 0xffffffff82432000 53a60    vboxdrv.ko

  11.3-RELEASE-p6

~$ virtualbox
VirtualBox: supR3HardenedMainGetTrustedMain: dlopen("/usr/local/lib/virtualbox/VirtualBox.so",) failed: /usr/local/lib/virtualbox/VirtualBox.so: Undefined symbol "_ZN15QLinearGradientD1Ev at Qt_5"

hints?