getting error while starting the network

[Madhur1997]

madhur@madhur-X555LF:~/Desktop/ns-allinone-3.29/ns-3.29$ ./waf --run "bitcoin-test --noBlocks=100 --nodes=6000"
Waf: Entering directory /home/madhur/Desktop/ns-allinone-3.29/ns-3.29/build/optimized' Waf: Leaving directory /home/madhur/Desktop/ns-allinone-3.29/ns-3.29/build/optimized'
Build commands will be stored in build/optimized/compile_commands.json
'build' finished successfully (17.824s)
msg="Can't use distributed simulator without MPI compiled in", file=../../scratch/bitcoin-test.cc, line=560
terminate called without an active exception
Command ['/home/madhur/Desktop/ns-allinone-3.29/ns-3.29/build/optimized/scratch/bitcoin-test', '--noBlocks=100', '--nodes=6000'] terminated with signal SIGIOT. Run it under a debugger to get more information (./waf --run --command-template="gdb --args %s ")

dont know how to resolve this