[Gambas-user] IDE crashes with certain projects

[bb]

I am getting the following with certain projects:

bb at bluecow-mx [/srv/gb3prj/BedRock/controls] gambas3 imgmgr/
Received signal 11 SEGV_ACCERR 559ae6870130
#0 0x7feb8221293e <unknown>
#1 0x7feb82212a50 <unknown>
#2 0x7feb82213087 <unknown>
#3 0x7feb903ae840 <unknown>
#4 0x559ae6870130 <unknown>
  r8: 000000000000002f  r9: 0000559ae6ccbeb0 r10: 0000000000000001 r11:
00007feb90501220
 r12: 00007feb86930088 r13: 0000559ae686f8d0 r14: 00007feb86930058 r15:
0000000000000000
  di: 0000559ae686f8d0  si: 0000000000000002  bp: 00007ffda3494520  bx:
00007ffda34944f8
  dx: 0000559ae6870350  ax: 0000559ae6870230  cx: 0000000000000000  sp:
00007ffda34944e8
  ip: 0000559ae6870130 efl: 0000000000010202 cgf: 002b000000000033 erf:
0000000000000015
 trp: 000000000000000e msk: 0000000000000000 cr2: 0000559ae6870130
[end of stack trace]
Calling _exit(1). Core file will not be generated.

I cant see anything "wrong" with the concerned .project files but here
is one:

# Gambas Project File 3.0
Title=Image Manager
Startup=FTest
Version=0.0.9
Component=gb.image
Component=gb.gui.qt
Component=gb.form
Description="This component provides a custom image view control that
supports zooming and rotation."
Environment="PH_DEBUG_IM=TRUE"
TabSize=2
Language=en_US
Type=Component
Maintainer=bb
Vendor=paddys-hill
VendorPrefix=ph
Address=bb at localhost.localdomain
License=General Public License
Prefix=1
PackageName=gambas3-ph-imgmgr-0.0.9
CreateEachDirectory=1
Packager=1
Systems=fedora
Groups=fedora:"Development/Libraries"

System info attached.
Can anyine see the obvious that I can't?

tia
b
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[System]
Gambas=3.16.2 6ac18789c (local)
OperatingSystem=Linux
Kernel=5.10.0-5mx-amd64
Architecture=x86_64
Distribution=MX 19.4 patito feo
Desktop=XFCE
Font=Liberation Sans,10
Scale=7
Theme=proxy
Language=en_AU.UTF-8
Memory=7416M

[Libraries]
Cairo=libcairo.so.2.11600.0
Curl=libcurl.so.4.5.0
DBus=libdbus-1.so.3.19.13
GDK2=libgdk-x11-2.0.so.0.2400.32
GDK3=libgdk-3.so.0.2404.1
GStreamer=libgstreamer-1.0.so.0.1404.0
GTK+2=libgtk-x11-2.0.so.0.2400.32
GTK+3=libgtk-3.so.0.2404.1
OpenGL=libGL.so.1.7.0
Poppler=libpoppler.so.82.0.0
QT4=libQtCore.so.4.8.7
QT5=libQt5Core.so.5.11.3
SDL=libSDL-1.2.so.0.11.4
SQLite=libsqlite3.so.0.8.6

[Environment]
COLORTERM=truecolor
DBUS_SESSION_BUS_ADDRESS=unix:abstract=/tmp/dbus-hsfeqFxQ6H,guid=991b560fad1f9b344c9c2dd26107ca51
DESKTOP_SESSION=lightdm-xsession
DISPLAY=:0.0
EDITOR=geany
GB_GUI=gb.qt5
GDMSESSION=lightdm-xsession
GPG_AGENT_INFO=/run/user/1000/gnupg/S.gpg-agent:0:1
GTK_MODULES=canberra-gtk-module
HOME=<home>
LANG=en_AU.UTF-8
LC_ALL=en_AU.UTF-8
LD_LIBRARY_PATH=:/usr/local/pgsql/lib
LESSCLOSE=/usr/bin/lesspipe %s %s
LESSOPEN=| /usr/bin/lesspipe %s
LOGNAME=<user>
LS_COLORS=rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:mi=00:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arc=01;31:*.arj=01;31:*.taz=01;31:*.lha=01;31:*.lz4=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.tzo=01;31:*.t7z=01;31:*.zip=01;31:*.z=01;31:*.dz=01;31:*.gz=01;31:*.lrz=01;31:*.lz=01;31:*.lzo=01;31:*.xz=01;31:*.zst=01;31:*.tzst=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.rar=01;31:*.alz=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.cab=01;31:*.wim=01;31:*.swm=01;31:*.dwm=01;31:*.esd=01;31:*.jpg=01;35:*.jpeg=01;35:*.mjpg=01;35:*.mjpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=00;36:*.au=00;36:*.flac=00;36:*.m4a=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.oga=00;36:*.opus=00;36:*.spx=00;36:*.xspf=00;36:
OLDPWD=<home>
PANEL_GDK_CORE_DEVICE_EVENTS=0
PAPERSIZE=a4
PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games:/usr/local/pgsql/bin
PS1=\u\[(B\]@\[(B\]\h\[(B\] [\[(B\]\[\033[38;2;131;144;240m\]\w\[(B\]] \[(B\]
PWD=/srv/gb3prj/BedRock/controls
QT_ACCESSIBILITY=1
QT_LOGGING_RULES=*.debug=false
QT_PLATFORMTHEME=gtk2
QT_PLATFORM_PLUGIN=gtk2
QT_QPA_PLATFORMTHEME=gtk2
QT_SCALE_FACTOR=1
SESSION_MANAGER=local/<hostname>:@/tmp/.ICE-unix/22507,unix/<hostname>:/tmp/.ICE-unix/22507
SHELL=/bin/bash
SHLVL=1
SSH_AGENT_PID=22593
SSH_AUTH_SOCK=/run/user/1000/keyring/ssh
TERM=xterm-256color
TZ=:/etc/localtime
USER=<user>
VTE_VERSION=5402
WINDOWID=102762505
XAUTHORITY=<home>/.Xauthority
XDG_CONFIG_DIRS=/etc/xdg
XDG_CURRENT_DESKTOP=XFCE
XDG_DATA_DIRS=/usr/share/xfce4:<home>/.local/share/flatpak/exports/share:/var/lib/flatpak/exports/share:/usr/local/share:/usr/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=lightdm-xsession
XDG_SESSION_ID=24
XDG_SESSION_PATH=/org/freedesktop/DisplayManager/Session1
XDG_SESSION_TYPE=x11
XDG_VTNR=7
_=/usr/bin/gambas3
force_s3tc_enable=true