SIGSEGV in nr-softmodem @ 100MHz on USRP X300

Thread 1 "nr-softmodem" received signal SIGSEGV, Segmentation fault.
534 0x0000555555f9d415 in init_nr_transport (gNB=0x7ffff731f010) at /home/dev003/USRP-OAI-W36/oai-w37/openair1/PHY/INIT/nr_init.c:1080
535 1080    int slot_ahead = gNB->if_inst ? gNB->if_inst->sl_ahead : 6;
536 (gdb) quit