Backtrace of issue when trying to Emit

errors.txt

#0  0x081f8b17 in v8::internal::Map::instance_type (this=0x18a0a000)
    at /home/test/Development/uc/audio/vendor/node/deps/v8/src/objects-inl.h:2186
#1  0x081f6eb2 in v8::internal::Object::IsHeapNumber (this=0xb5fb6335)
    at /home/test/Development/uc/audio/vendor/node/deps/v8/src/objects-inl.h:142
#2  0x08338ba9 in v8::internal::Object::ToArrayIndex (this=0xb5fb6335, 
    index=0xabd571cc)
    at /home/test/Development/uc/audio/vendor/node/deps/v8/src/objects-inl.h:1383
#3  0x08376df3 in v8::internal::Runtime::GetObjectProperty (object=..., 
    key=...)
    at /home/test/uc/audio/vendor/node/deps/v8/src/runtime.cc:3387
#4  0x08248f35 in v8::internal::GetProperty (obj=..., key=...)
    at /home/test/Development/uc/audio/vendor/node/deps/v8/src/handles.cc:310
#5  0x081ec875 in v8::Object::Get (this=0x85fa260, key=...)
    at /home/test/Development/uc/audio/vendor/node/deps/v8/src/api.cc:2277
#6  0x081ad80f in node::EventEmitter::Emit (this=0x862ba28, event=..., argc=0, 
    argv=0x0) at ../src/node_events.cc:30
#7  0x00675abe in BassNode::SyncStreamProc (handle=3489660930,
channel=2952790017, data=0, user=0x862ba28) at ../src/bass_node.cc:86
#8  0x006a3d27 in ?? () from /usr/local/lib/libbass.so