Cannot start Timeshift-gtk; ERROR:arraylist.c:1182:gee_array_list_real_get: assertion failed

[Sandai64]

Describe the bug
I cannot start Timeshift-gtk, launching it via the terminal or the UI does not change the result.
Once run in a terminal, its output is :

ERROR:arraylist.c:1182:gee_array_list_real_get: assertion failed: (index < _size)
Bail out! ERROR:arraylist.c:1182:gee_array_list_real_get: assertion failed: (index < _size)
Aborted

To Reproduce
Steps to reproduce the behavior:

1. Install timeshift from the AUR or the package built from the Chaotic AUR
2. Try to launch it with a terminal or the UI

ERROR:arraylist.c:1182:gee_array_list_real_get: assertion failed: (index < _size)
Bail out! ERROR:arraylist.c:1182:gee_array_list_real_get: assertion failed: (index < _size)
Aborted

Expected behavior
Timeshift should start.

Screenshots
N/A

System:

• Linux Distribution Name and Version: EndeavourOS; updated as of 22/09/2020
• Desktop KDE Plasma
• Application Version 20.03

[shizzz477]

same problem here.
Distributor ID: Linuxmint
Description: Linux Mint 20
Release: 20
Codename: ulyana

[leonardbillywoodiii]

Same Problem Here
Ubuntu 20.04
Intel Celeron
Not able to test gui as it is running on server
Get this error for anything other than --help
`
sudo timeshift --create
[Warning] Deleted invalid lock
**
ERROR:arraylist.c:1182:gee_array_list_real_get: assertion failed: (index < _size)
Bail out! ERROR:arraylist.c:1182:gee_array_list_real_get: assertion failed: (index < _size)
Aborted

`

[iCelo-git]

I've got the same problem :/

sudo timeshift --create
[Warning] Deleted invalid lock
**
ERROR:arraylist.c:1206:gee_array_list_real_get: assertion failed: (index < _size)
Aborted

OS: Debian GNU/Linux 10 (buster) x86_64

[Intrinsic1]

I have the same issue.

I'm running Mint 20.2. Timeshift will work fine until I introduce an mdadm raid array, and then the error message seen below is generated when I try to start Timeshift. If the raid array is removed Timeshift will work again. If you want to re-create this issue use Mint 20.x and introduce a RAID 5 array (you can do this with three USB sticks to make the testing easier)

pkexec timeshift-gtk
[Warning] Deleted invalid lock
**
ERROR:arraylist.c:1182:gee_array_list_real_get: assertion failed: (index < _size)
Bail out! ERROR:arraylist.c:1182:gee_array_list_real_get: assertion failed: (index < _size)
Aborted (core dumped)

[stu1811]

I ran into the same issue on Ubuntu. I was able to get it working with this PR. @Intrinsic1 can you try the fix?

#883