Transit Compartment Model with DO WHILE

[ldbro0]

Hi I'm interested in implementing this transit compartment model which uses DO WHILE loop to handle multiple doses but have been unable to get it to run. Any help would be greatly appreciated.

transit_comp.pdf

Error: Starting 1 NONMEM executions. 1 in parallel. S:1 .. All executions started. forrtl: severe (174): SIGSEGV, segmentation fault occurred Image PC Routine Line Source
nonmem 000000000089A39D Unknown Unknown Unknown libpthread-2.17.s 00002AAAAC1225F0 Unknown Unknown Unknown nonmem 000000000094DB9C Unknown Unknown Unknown nonmem 00000000004933F7 dat1o_ 318 .0197.f90 nonmem 0000000000491DED dat1_ 92 .0197.f90 nonmem 000000000045F2D8 mumodel_ 135 MUMODEL.f90 nonmem 00000000005D80CB pmud_evaluate_ 122 .0272.f90 nonmem 00000000004FB3AF initl_ 941 .0036.f90 nonmem 0000000000474C9E nonmem_IP_start_c 375 .0058.f90 nonmem 000000000047487F MAIN__ 356 .0058.f90 nonmem 000000000040640E Unknown Unknown Unknown libc-2.17.so 00002AAAAC653505 __libc_start_main Unknown Unknown nonmem 0000000000406329 Unknown Unknown Unknown Fatal error in MPI_Wait: Other MPI error, error stack: MPI_Wait(157).....................: MPI_Wait(request=0x1bca1e0, status0xde57a0) failed MPIDI_CH3I_Progress(150)..........: MPID_nem_mpich2_blocking_recv(948): MPID_nem_tcp_connpoll(1720).......: state_commrdy_handler(1556).......: MPID_nem_tcp_recv_handler(1446)...: socket closed Fatal error in MPI_Wait: Other MPI error, error stack: MPI_Wait(157).....................: MPI_Wait(request=0x1bca1e0, status0xde57a0) failed MPIDI_CH3I_Progress(150)..........: MPID_nem_mpich2_blocking_recv(948): MPID_nem_tcp_connpoll(1720).......: state_commrdy_handler(1556).......: MPID_nem_tcp_recv_handler(1446)...: socket closed Fatal error in MPI_Wait: Other MPI error, error stack: MPI_Wait(157).....................: MPI_Wait(request=0x1bca1e0, status0xde57a0) failed MPIDI_CH3I_Progress(150)..........: MPID_nem_mpich2_blocking_recv(948): MPID_nem_tcp_connpoll(1720).......: state_commrdy_handler(1556).......: MPID_nem_tcp_recv_handler(1446)...: socket closed NONMEM run failed. Check the lst-file in NM_run1 for errors Not restarting this model. F:1 .. execute done