Crash on insurgency start up, macOS Sierra 10.12

#!/bin/bash

# figure out the absolute path to the script being run a bit
# non-obvious, the ${0%/*} pulls the path out of $0, cd's into the
# specified directory, then uses $PWD to figure out where that
# directory lives - and all this in a subshell, so we don't affect
# $PWD

GAMEROOT=$(cd "${0%/*}" && echo $PWD)

#determine platform
UNAME=`uname`
if [ "$UNAME" == "Darwin" ]; then
    # Workaround OS X El Capitan 10.11 System Integrity Protection (SIP) which does not allow
    # DYLD_INSERT_LIBRARIES to be set for system processes.
    if [ "$STEAM_DYLD_INSERT_LIBRARIES" != "" ] && [ "$DYLD_INSERT_LIBRARIES" == "" ]; then
       export DYLD_INSERT_LIBRARIES="$STEAM_DYLD_INSERT_LIBRARIES"
	fi
   	# prepend our lib path to LD_LIBRARY_PATH
   	export DYLD_LIBRARY_PATH="${GAMEROOT}"/bin:$DYLD_LIBRARY_PATH
elif [ "$UNAME" == "Linux" ]; then
  	# prepend our lib path to LD_LIBRARY_PATH
   	export LD_LIBRARY_PATH="${GAMEROOT}"/bin:$LD_LIBRARY_PATH
fi

if [ -z $GAMEEXE ]; then
	if [ "$UNAME" == "Darwin" ]; then
		GAMEEXE="insurgency_osx"
	elif [ "$UNAME" == "Linux" ]; then
		GAMEEXE="insurgency_linux"
	fi
fi

ulimit -n 2048

# enable nVidia threaded optimizations
export __GL_THREADED_OPTIMIZATIONS=1
# enable Mesa threaded shader compiles
export multithread_glsl_compiler=1

# and launch the game
cd "$GAMEROOT"

STATUS=42
while [ $STATUS -eq 42 ]; do
	if [ "${DEBUGGER}" == "gdb" ]; then
		ARGSFILE=$(mktemp $USER.hl2.gdb.XXXX)
		echo run $@ > "$ARGSFILE"
		${DEBUGGER} "${GAMEROOT}"/${GAMEEXE} -x "-game insurgency $ARGSFILE"
		rm "$ARGSFILE"
	else
		${DEBUGGER} "${GAMEROOT}"/${GAMEEXE} "-game insurgency $@"
	fi
	STATUS=$?
done
exit $STATUS