I wrote a function FormatError to format the info in the Error class, taking oError as Error, but when passing it to the function, Gambas thinks I am passing the ERROR boolean value. What am I doing wrong? Is it because Error (class) is static?
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OK, tried a work-around: passed properties individually, got 'type mismatch: wanted string got class instead'

 environment:
[System]
Gambas=3.14
OperatingSystem=Linux
Kernel=4.15.0-65-generic
Architecture=x86_64
Distribution=Linux Mint 19.2 Tina
Desktop=CINNAMON
Theme=Qt5CTProxy
Language=en_US.UTF-8
Memory=7917M

[Libraries]
Cairo=libcairo.so.2.11510.0
Curl=libcurl.so.4.5.0
DBus=libdbus-1.so.3.19.4
GStreamer=libgstreamer-1.0.so.0.1405.0
GTK+2=libgtk-x11-2.0.so.0.2400.32
GTK+3=libgtk-3.so.0.2200.30
OpenGL=libGL.so.1.0.0
Poppler=libpoppler.so.73.0.0
QT4=libQtCore.so.4.8.7
QT5=libQt5Core.so.5.9.5
SDL=libSDL-1.2.so.0.11.4
SQLite=libsqlite3.so.0.8.6

[Environment]
CINNAMON_VERSION=4.2.4
DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus
DEFAULTS_PATH=/usr/share/gconf/cinnamon.default.path
DESKTOP_SESSION=cinnamon
DISPLAY=:0
GB_GUI=gb.qt5
GDMSESSION=cinnamon
GDM_LANG=en_US
GIO_LAUNCHED_DESKTOP_FILE=/usr/share/applications/gambas3.desktop
GIO_LAUNCHED_DESKTOP_FILE_PID=30177
GJS_DEBUG_OUTPUT=stderr
GJS_DEBUG_TOPICS=JS ERROR;JS LOG
GNOME_DESKTOP_SESSION_ID=this-is-deprecated
GPG_AGENT_INFO=/run/user/1000/gnupg/S.gpg-agent:0:1
GTK_MODULES=gail:atk-bridge
GTK_OVERLAY_SCROLLING=1
HOME=<home>
LANG=en_US.UTF-8
LANGUAGE=en_US.UTF-8
LOGNAME=<user>
MANDATORY_PATH=/usr/share/gconf/cinnamon.mandatory.path
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:<home>/.dotnet/tools
PWD=<home>
QT_ACCESSIBILITY=1
QT_QPA_PLATFORMTHEME=qt5ct
SESSION_MANAGER=local/<hostname>/tmp/.ICE-unix/2063,unix/<hostname>:/tmp/.ICE-unix/2063
SHELL=/bin/bash
SHLVL=0
SSH_AGENT_PID=2154
SSH_AUTH_SOCK=/run/user/1000/keyring/ssh
S_COLORS=auto
TZ=:/etc/localtime
USER=<user>
XAUTHORITY=<home>/.Xauthority
XDG_CONFIG_DIRS=/etc/xdg/xdg-cinnamon:/etc/xdg
XDG_CURRENT_DESKTOP=X-Cinnamon
XDG_DATA_DIRS=/usr/share/cinnamon:/usr/share/gnome:<home>/.local/share/flatpak/exports/share:/var/lib/flatpak/exports/share:/usr/local/share:/usr/share
XDG_GREETER_DATA_DIR=/var/lib/lightdm-data/<user>
XDG_RUNTIME_DIR=/run/user/1000
XDG_SEAT=seat0
XDG_SEAT_PATH=/org/freedesktop/DisplayManager/Seat0
XDG_SESSION_DESKTOP=cinnamon
XDG_SESSION_ID=c2
XDG_SESSION_PATH=/org/freedesktop/DisplayManager/Session0
XDG_SESSION_TYPE=x11
XDG_VTNR=7

Hi sjsepan,

There is no need to pass Error (the class) as you can approach it directly.

Try this:

Take into account that:
- Error.Class returns a class NOT a string and will give you an error (Type mismatch: wanted String, got Class instead) if trying to get it returned as a string.
- Error.Backtrace will return an array of strings and will give an error if trying to get it returned in your string result.

Hope this short example will help you.

gbWilly, Thanks! I was considering trying that approach (directly using the static class) next, but forgot about it while getting myself lost in the other detail.
I definitely overlooked the types on Class and Backtrace – I have to look more carefully. ops:
Steve

 Greeting gbWilly been a long time since I have talked to you. Your error example is a really great one and I will be using it in future programs.  It's a great way to debug a program and know exactly where the problem is at.  Thank you as always for another good example.

 Glad I can be off help.

cage : where do we know each other from, the old forum perhaps and under a different name?

Yeah it's been years since we last talked.  It was on a different forum that I don't think exists anymore.  I was working on a secure delete program but needed to have a sudo ability. You came up with a routine to use sudo that really worked.  As for the name I use I really don't remember since it's been so long.  It 's good to see your still around