[Gambas-bugtracker] Bug #1675: Switching or adding components crashes IDE

[bugtracker at gambaswiki.org]

http://gambaswiki.org/bugtracker/edit?object=BUG.1675&from=L21haW4-

James COOK reported a new bug.

Summary
-------

Switching or adding components crashes IDE

Type             : Bug
Priority         : High
Gambas version   : Unknown
Product          : Development Environment


Description
-----------

When I try to change an older program from QT4 to QT5 or GTK I get the following error:

"This application has raised an unexpected error and must abort.
  
   [13] Null Object

fcompoenentchooser.checkselection.666


System information
------------------

[System]
Gambas=3.14.1
OperatingSystem=Linux
Kernel=5.3.8-arch1-1
Architecture=x86_64
Distribution=Salient OS
Desktop=XFCE
Theme=Qt5CTProxy
Language=en_US.UTF-8
Memory=15980M

[Libraries]
Cairo=libcairo.so.2.11703.0
Curl=libcurl.so.4.6.0
DBus=libdbus-1.so.3.19.11
GStreamer=libgstreamer-1.0.so.0.1601.0
GTK+2=libgtk-x11-2.0.so.0.2400.32
GTK+3=libgtk-3.so.0.2405.7
OpenGL=libGL.so.1.7.0
Poppler=libpoppler.so.90.0.0
QT5=libQt5Core.so.5.13.2
SDL=libSDL-1.2.so.0.11.4
SQLite=libsqlite3.so.0.8.6

[Environment]
BROWSER=/usr/bin/chromium
DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus
DESKTOP_SESSION=xfce
DISPLAY=:0.0
EDITOR=nano
GB_GUI=gb.qt5
GDMSESSION=xfce
GTK_MODULES=canberra-gtk-module:appmenu-gtk-module:canberra-gtk-module
HOME=<home>
LANG=en_US.UTF-8
LC_ADDRESS=en_US.UTF-8
LC_IDENTIFICATION=en_US.UTF-8
LC_MEASUREMENT=en_US.UTF-8
LC_MONETARY=en_US.UTF-8
LC_NAME=en_US.UTF-8
LC_NUMERIC=en_US.UTF-8
LC_PAPER=en_US.UTF-8
LC_TELEPHONE=en_US.UTF-8
LC_TIME=en_US.UTF-8
LOGNAME=<user>
MAIL=/var/spool/mail/<user>
MOZ_PLUGIN_PATH=/usr/lib/mozilla/plugins
PANEL_GDK_CORE_DEVICE_EVENTS=0
PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl
PWD=<home>
QT_AUTO_SCREEN_SCALE_FACTOR=0
QT_QPA_PLATFORMTHEME=qt5ct
SESSION_MANAGER=local/<hostname>:@/tmp/.ICE-unix/1773,unix/<hostname>:/tmp/.ICE-unix/1773
SHELL=/bin/bash
SHLVL=0
SSH_AGENT_PID=1848
SSH_AUTH_SOCK=/tmp/ssh-LI49rUhdEkpG/agent.1847
TZ=:/etc/localtime
UBUNTU_MENUPROXY=1
USER=<user>
VISUAL=subl3
XAUTHORITY=<home>/.Xauthority
XDG_CONFIG_DIRS=/etc/xdg
XDG_CURRENT_DESKTOP=XFCE
XDG_DATA_DIRS=/usr/local/share:/usr/share
XDG_GREETER_DATA_DIR=/var/lib/lightdm-data/<user>
XDG_MENU_PREFIX=xfce-
XDG_RUNTIME_DIR=/run/user/1000
XDG_SEAT=seat0
XDG_SEAT_PATH=/org/freedesktop/DisplayManager/Seat0
XDG_SESSION_CLASS=user
XDG_SESSION_DESKTOP=xfce
XDG_SESSION_ID=1
XDG_SESSION_PATH=/org/freedesktop/DisplayManager/Session0
XDG_SESSION_TYPE=x11
XDG_VTNR=7
_=/usr/bin/gambas3