sagarmodak@Sagar-iMac ~ % cd geant4        
sagarmodak@Sagar-iMac geant4 % cd geant4-v11.0.1
sagarmodak@Sagar-iMac geant4-v11.0.1 % cd examples      
sagarmodak@Sagar-iMac examples % cd basic         
sagarmodak@Sagar-iMac basic % cd B1            
sagarmodak@Sagar-iMac B1 % cd build         
sagarmodak@Sagar-iMac build % ccmake ..


sagarmodak@Sagar-iMac build % ls
CMakeCache.txt		cmake_install.cmake	exampleB1.out		run2.mac
CMakeFiles		exampleB1		init_vis.mac		vis.mac
Makefile		exampleB1.in		run1.mac
sagarmodak@Sagar-iMac build % ./exampleB1 
Available UI session types: [ Qt, tcsh, csh ]


          ################################
          !!! G4Backtrace is activated !!!
          ################################


-------- EEEE ------- G4Exception-START -------- EEEE -------
*** G4Exception : PART70000
      issued by : G4NuclideTable
G4ENSDFSTATEDATA environment variable must be set
*** Fatal Exception *** core dump ***

### CAUGHT SIGNAL: 11 ### address: 0x10,  signal =  SIGSEGV, value =   11, description = segmentation violation. Address not mapped to object.

Backtrace:
[PID=2457, TID=-1][ 0/18]> 0   ???                                 0x0000600003854cf0 0x0 + 105553175334128
[PID=2457, TID=-1][ 1/18]> 1   libG4run.dylib                      0x0000000110adfe92 _ZN18G4ExceptionHandler6NotifyEPKcS1_19G4ExceptionSeverityS1_ + 1202
[PID=2457, TID=-1][ 2/18]> 2   libG4global.dylib                   0x0000000112043c30 _Z11G4ExceptionPKcS0_19G4ExceptionSeverityS0_ + 64
[PID=2457, TID=-1][ 3/18]> 3   libG4particles.dylib                0x000000011153d6a9 _ZN14G4NuclideTableC2Ev + 217
[PID=2457, TID=-1][ 4/18]> 4   libG4particles.dylib                0x000000011153d58a _ZN14G4NuclideTable15GetNuclideTableEv + 58
[PID=2457, TID=-1][ 5/18]> 5   libG4particles.dylib                0x0000000111526944 _ZN10G4IonTableC1Ev + 164
[PID=2457, TID=-1][ 6/18]> 6   libG4particles.dylib                0x000000011154850b _ZN15G4ParticleTableC2Ev + 283
[PID=2457, TID=-1][ 7/18]> 7   libG4particles.dylib                0x0000000111547eff _ZN15G4ParticleTable16GetParticleTableEv + 127
[PID=2457, TID=-1][ 8/18]> 8   libG4event.dylib                    0x000000011081e393 _ZN20G4PrimaryTransformerC1Ev + 51
[PID=2457, TID=-1][ 9/18]> 9   libG4event.dylib                    0x0000000110806c90 _ZN14G4EventManagerC2Ev + 160
[PID=2457, TID=-1][10/18]> 10  libG4run.dylib                      0x0000000110afe5f0 _ZN18G4RunManagerKernelC2ENS_7RMKTypeE + 384
[PID=2457, TID=-1][11/18]> 11  libG4run.dylib                      0x0000000110b12e38 _ZN20G4MTRunManagerKernelC2Ev + 24
[PID=2457, TID=-1][12/18]> 12  libG4run.dylib                      0x0000000110aec522 _ZN12G4RunManagerC2ENS_6RMTypeE + 386
[PID=2457, TID=-1][13/18]> 13  libG4run.dylib                      0x0000000110af1a21 _ZN14G4MTRunManagerC2Ev + 33
[PID=2457, TID=-1][14/18]> 14  libG4tasking.dylib                  0x00000001101c61a4 _ZN16G4TaskRunManagerC2EPN3PTL14VUserTaskQueueEbi + 36
[PID=2457, TID=-1][15/18]> 15  libG4tasking.dylib                  0x00000001101b612b _ZN19G4RunManagerFactory16CreateRunManagerE16G4RunManagerTypePN3PTL14VUserTaskQueueEbi + 1323
[PID=2457, TID=-1][16/18]> 16  exampleB1                           0x000000010fabcb41 main + 113
[PID=2457, TID=-1][17/18]> 17  dyld                                0x0000000114fbb51e start + 462

zsh: abort      ./exampleB1
sagarmodak@Sagar-iMac build %