Render process crash on geopunt.be

#
# Fatal error in ../../3rdparty/chromium/v8/src/objects-inl.h, line 2965
# Check failed: descriptor_number < number_of_descriptors().
#

==== C stack trace ===============================

 1: 0x7f6cc63314e5
 2: 0x7f6cc540e521
 3: 0x7f6cc5439b36
 4: 0x7f6cc5438230
 5: 0x7f6cc54385c0
 6: 0x7f6cc53521ee
 7: 0x7f6cc535328b
 8: 0x7f6cc535674a
 9: 0x7f6cc5356a06
10: 0x2142b6206147
Received signal 4 ILL_ILLOPN 7f6cc6336059
#0 0x7f6cc6f1e902 base::debug::StackTrace::StackTrace()
#1 0x7f6cc6f1e1a4 base::debug::(anonymous namespace)::StackDumpSignalHandler()
#2 0x7f6cc06a1080 <unknown>
#3 0x7f6cc6336059 v8::base::OS::Abort()
#4 0x7f6cc63314f2 V8_Fatal
#5 0x7f6cc540e521 v8::internal::DescriptorArray::Set()
#6 0x7f6cc5439b36 v8::internal::JSObject::MigrateSlowToFast()
#7 0x7f6cc5438230 v8::internal::JSObject::OptimizeAsPrototype()
#8 0x7f6cc54385c0 v8::internal::JSObject::MakePrototypesFast()
#9 0x7f6cc53521ee v8::internal::LoadIC::Load()
#10 0x7f6cc535328b v8::internal::KeyedLoadIC::Load()
#11 0x7f6cc535674a v8::internal::__RT_impl_Runtime_KeyedLoadIC_Miss()
#12 0x7f6cc5356a06 v8::internal::Runtime_KeyedLoadIC_Miss()
#13 0x2142b6206147 <unknown>
  r8: 00007f6cbfde9730  r9: 00007f6cce683ec0 r10: 0000000000000078 r11: 0000000000000000
 r12: 00007f6cc9c72ed0 r13: 0000000000000b95 r14: 0000563cbe565e78 r15: 0000000000a89720
  di: 00007f6cbfde8500  si: 00007f6cbfde9730  bp: 00007f6cc9cf0fce  bx: 00007f6cbfde86c0
  dx: 0000000000000000  ax: 0000000000000000  cx: 0000000000000b40  sp: 00007ffd03ad7bf8
  ip: 00007f6cc6336059 efl: 0000000000010202 cgf: 002b000000000033 erf: 0000000000000000
 trp: 0000000000000006 msk: 0000000000000000 cr2: 0000000000000000
[end of stack trace]
Render process exited with code 256 (abnormal exit)