I'm using now Xubuntu version 18.04 that has parole version 1.0.1 and its still happening. Using gdb, it shows the following backtrace when it crashes:

(gdb) bt
Python Exception <class 'NameError'> Installation error: gdb.execute_unwinders function is missing: 
Python Exception <class 'ModuleNotFoundError'> No module named 'gdb': 
#0  0x00007ffff5ebb0a6 in g_dbus_connection_emit_signal () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#1  0x00007fffe1004594 in ?? () from /usr/lib/x86_64-linux-gnu/parole-0/parole-mpris2.so
Python Exception <class 'NameError'> Installation error: gdb.execute_unwinders function is missing: 
#2  0x00007fffe100480c in ?? () from /usr/lib/x86_64-linux-gnu/parole-0/parole-mpris2.so
Python Exception <class 'NameError'> Installation error: gdb.execute_unwinders function is missing: 
#3  0x00007ffff6bfe15b in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
Python Exception <class 'NameError'> Installation error: gdb.execute_unwinders function is missing: 
#4  0x00007ffff4d4af6d in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Python Exception <class 'NameError'> Installation error: gdb.execute_unwinders function is missing: 
#5  0x00007ffff4d5dd3e in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Python Exception <class 'NameError'> Installation error: gdb.execute_unwinders function is missing: 
#6  0x00007ffff4d65d8f in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Python Exception <class 'NameError'> Installation error: gdb.execute_unwinders function is missing: 
#7  0x00007ffff4d66e0f in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Python Exception <class 'NameError'> Installation error: gdb.execute_unwinders function is missing: 
#8  0x00007ffff6d45b04 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
Python Exception <class 'NameError'> Installation error: gdb.execute_unwinders function is missing: 
#9  0x00007ffff6bfd22e in gtk_main_do_event () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
Python Exception <class 'NameError'> Installation error: gdb.execute_unwinders function is missing: 
#10 0x00007ffff670e765 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
Python Exception <class 'NameError'> Installation error: gdb.execute_unwinders function is missing: 
#11 0x00007ffff673ef82 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
Python Exception <class 'NameError'> Installation error: gdb.execute_unwinders function is missing: 
#12 0x00007ffff4a71287 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
Python Exception <class 'NameError'> Installation error: gdb.execute_unwinders function is missing: 
#13 0x00007ffff4a714c0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
Python Exception <class 'NameError'> Installation error: gdb.execute_unwinders function is missing: 
#14 0x00007ffff4a717d2 in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
Python Exception <class 'NameError'> Installation error: gdb.execute_unwinders function is missing: 
#15 0x00007ffff6bfc385 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
Python Exception <class 'NameError'> Installation error: gdb.execute_unwinders function is missing: 
#16 0x000055555556c50b in main ()
Python Exception <class 'NameError'> Installation error: gdb.execute_unwinders function is missing: