WebApp: Settings crash after clicking on icon

(gdb) bt full
#0  0x00007ff7848cda25 in raise () at /lib64/libc.so.6
#1  0x00007ff7848b6895 in abort () at /lib64/libc.so.6
#2  0x00007ff784beab8c in g_assertion_message_expr.cold () at /lib64/libglib-2.0.so.0
#3  0x00007ff784c48a1f in g_assertion_message_expr () at /lib64/libglib-2.0.so.0
#4  0x00007ff78583627b in ephy_create_file_chooser (title=0x7ff78572e7d5 <error: Cannot access memory at address 0x7ff78572e7d5>, parent=0xb3ebd0, action=GTK_FILE_CHOOSER_ACTION_OPEN, default_filter=EPHY_FILE_FILTER_NONE) at ../lib/widgets/ephy-file-chooser.c:156
        dialog = 0xc8a850a63633de00
        filter = {0x0, 0x7ff78463cdf3 <pango_renderer_draw_glyph_item+67>, 0x0, 0x7ff78584de88}
        downloads_dir = 0x0
        preview = 0x22d29e0
        __func__ = "ephy_create_file_chooser"
#5  0x00007ff7858025d1 in on_webapp_icon_button_clicked (button=0x1ecd180, general_page=0xb3ebd0) at ../src/preferences/prefs-general-page.c:919
        file_chooser = 0x4c0000011400
        pixbuf_formats = Python Exception <class 'gdb.MemoryError'> Cannot access memory at address 0x1074c08548000000: