Parabolic: UI hangs and then closes itself

While downloading Youtube(not Youtube Music) playlists the UI hangs and then quits.

I’m running Flatpak version 2023.3.1(but this has been happening in previous versions also) in PoP_OS 22.04.

This are some logs I’ve been gathering:

This one closed after loading the playlist but before downloading anything

(NickvisionTubeConverter.GNOME:2): Gtk-CRITICAL **: 12:42:39.313: gtk_widget_get_parent: assertion 'GTK_IS_WIDGET (widget)' failed
(NickvisionTubeConverter.GNOME:2): Gtk-CRITICAL **: 12:42:39.313: gtk_widget_add_css_class: assertion 'GTK_IS_WIDGET (widget)' failed
Unhandled exception. System.NullReferenceException: Object reference not set to an instance of an object.

This one closed after downloading more or less ten videos

(NickvisionTubeConverter.GNOME:2): Gtk-CRITICAL **: 12:52:39.722: gtk_widget_get_parent: assertion 'GTK_IS_WIDGET (widget)' failed

(NickvisionTubeConverter.GNOME:2): Gtk-CRITICAL **: 12:52:39.722: gtk_widget_add_css_class: assertion 'GTK_IS_WIDGET (widget)' failed

(NickvisionTubeConverter.GNOME:2): Pango-CRITICAL **: 12:55:34.121: pango_layout_set_attributes: assertion 'layout != NULL' failed

(NickvisionTubeConverter.GNOME:2): Pango-CRITICAL **: 12:55:34.121: pango_layout_set_alignment: assertion 'layout != NULL' failed

(NickvisionTubeConverter.GNOME:2): Pango-CRITICAL **: 12:55:34.121: pango_layout_set_ellipsize: assertion 'PANGO_IS_LAYOUT (layout)' failed

(NickvisionTubeConverter.GNOME:2): Pango-CRITICAL **: 12:55:34.121: pango_layout_set_wrap: assertion 'PANGO_IS_LAYOUT (layout)' failed

(NickvisionTubeConverter.GNOME:2): Pango-CRITICAL **: 12:55:34.121: pango_layout_set_single_paragraph_mode: assertion 'PANGO_IS_LAYOUT (layout)' failed

(NickvisionTubeConverter.GNOME:2): Pango-CRITICAL **: 12:55:34.121: pango_layout_set_tabs: assertion 'PANGO_IS_LAYOUT (layout)' failed

(NickvisionTubeConverter.GNOME:2): Pango-CRITICAL **: 12:55:34.121: pango_layout_get_width: assertion 'layout != NULL' failed

(NickvisionTubeConverter.GNOME:2): GLib-GObject-CRITICAL **: 12:55:34.121: g_object_ref: assertion 'G_IS_OBJECT (object)' failed

(NickvisionTubeConverter.GNOME:2): Pango-CRITICAL **: 12:55:34.121: pango_layout_set_width: assertion 'layout != NULL' failed

(NickvisionTubeConverter.GNOME:2): Pango-CRITICAL **: 12:55:34.121: pango_layout_get_extents: assertion 'layout != NULL' failed

(NickvisionTubeConverter.GNOME:2): GLib-GObject-CRITICAL **: 12:55:34.121: g_object_unref: assertion 'G_IS_OBJECT (object)' failed

(NickvisionTubeConverter.GNOME:2): GLib-CRITICAL **: 12:57:15.915: Source ID 53391 was not found when attempting to remove it
Process terminated. A callback was made on a garbage collected delegate of type 'NickvisionTubeConverter.GNOME!NickvisionTubeConverter.GNOME.Controls.DownloadRow+GSourceFunc::Invoke'.
Repeat 2 times:
--------------------------------
   at Gio.Internal.Application.Run(IntPtr, Int32, System.String[])
--------------------------------
   at Gio.Application.Run(Int32, System.String[])
   at NickvisionTubeConverter.GNOME.Program.Run(System.String[])
   at NickvisionTubeConverter.GNOME.Program.Main(System.String[])

This one also closed after some downloads

(NickvisionTubeConverter.GNOME:2): Gtk-CRITICAL **: 13:08:41.364: gtk_widget_get_parent: assertion 'GTK_IS_WIDGET (widget)' failed

(NickvisionTubeConverter.GNOME:2): Gtk-CRITICAL **: 13:08:41.364: gtk_widget_add_css_class: assertion 'GTK_IS_WIDGET (widget)' failed

(NickvisionTubeConverter.GNOME:2): GLib-CRITICAL **: 13:12:05.999: Source ID 44236 was not found when attempting to remove it

(NickvisionTubeConverter.GNOME:2): GLib-CRITICAL **: 13:12:16.899: g_atomic_ref_count_dec: assertion 'old_value > 0' failed
malloc(): smallbin double linked list corrupted