segfault in anura

gistfile1.txt

INFO: formula_function.cpp:3796 : CONSOLE: 'launch deck lab: '
INFO: formula_function.cpp:3796 : CONSOLE: 'Entropia'

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff53a7180 in __dynamic_cast ()
   from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
(gdb) bt
#0  0x00007ffff53a7180 in __dynamic_cast ()
   from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#1  0x000000000101f3b2 in variant::try_convert<game_logic::FormulaObject> (
    this=<optimized out>) at src/variant.hpp:283
#2  0x00000000012fd21f in get_variant_type_from_value (value=...)
    at src/variant_type.cpp:1729
#3  0x00000000012ebc37 in variant::to_debug_string (this=0x7fffffff73d8, 
    seen=<optimized out>) at src/variant.cpp:2306
#4  0x00000000012ebda1 in variant::to_debug_string (this=<optimized out>, 
    seen=<optimized out>) at src/variant.cpp:2329
#5  0x00000000012ebda1 in variant::to_debug_string (this=<optimized out>, 
    seen=<optimized out>) at src/variant.cpp:2329
#6  0x0000000000e544cc in CustomObject::executeCommand (this=<optimized out>, 
    var=...) at src/custom_object.cpp:5143
#7  0x0000000000e543ac in CustomObject::executeCommand (this=0x78c0e60, 
    var=...) at src/custom_object.cpp:5120
#8  0x0000000000e543ac in CustomObject::executeCommand (this=0x78c0e60, 
    var=...) at src/custom_object.cpp:5120
#9  0x0000000000e53d7b in CustomObject::handleEventInternal (this=0x78c0e60, 
    event=6, context=<optimized out>, executeCommands_now=true)
    at src/custom_object.cpp:5078
#10 0x0000000000e5411e in CustomObject::handleEvent (this=0x78c0e60, event=6, 
    context=0x0) at src/custom_object.cpp:4972
---Type <return> to continue, or q <return> to quit---quit
Quit
(gdb) quit
A debugging session is active.

	Inferior 1 [process 3060] will be killed.