(ardour-5.11.0:3702): Gtk-WARNING **: Unable to locate theme engine in module_path: "adwaita",

(ardour-5.11.0:3702): Gtk-WARNING **: Unable to locate theme engine in module_path: "adwaita",
Color shuttle bg not found
ardour: [INFO]: Loading color file /usr/share/ardour5/themes/dark-ardour.colors

(ardour-5.11.0:3702): Gtk-WARNING **: Unable to locate theme engine in module_path: "adwaita",

(ardour-5.11.0:3702): Gtk-WARNING **: Unable to locate theme engine in module_path: "adwaita",
ardour: [INFO]: Loading ui configuration file /etc/ardour5/clearlooks.rc
ardour: [INFO]: Loading ui configuration file /etc/ardour5/clearlooks.rc
ALSA: Cannot open device 'hw:PCH,0': Device or resource busy
ALSA: Cannot open device 'hw:PCH,0': Device or resource busy
Found nothing along /home/calico/.config/ardour5/templates:/usr/share/ardour5/templates
run dialog
Cannot lock down 82274202 byte memory area (Cannot allocate memory)
Cannot lock down 82274202 byte memory area (Cannot allocate memory)
Scanning folders for bundled LV2s: /usr/lib/ardour5/LV2
Set cursor set to default
Here are the errors associated with this failed session:

Errors/Messages:
WARNING: ardour-request-device binary was not found..'
ERROR: AlsaAudioBackend: failed to open device.
WARNING: ardour-request-device binary was not found..'
ERROR: AlsaAudioBackend: failed to open device.
WARNING: ardour-request-device binary was not found..'
ERROR: AlsaAudioBackend: failed to open device.
ERROR: JACK: Cannot use real-time scheduling (RR/5)(1: Operation not permitted)
ERROR: JACK: JackClient::AcquireSelfRealTime error
INFO: Loading bindings from /etc/ardour5/ardour.keys
Loading menus from /etc/ardour5/ardour.menus
ERROR: JACK: Cannot create thread res = 1

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