The provisioner sample was used as the base code for adding the function to set model's publication address. After doing so the end node goes into
[00:00:02.252,899] <err> os: ***** MPU FAULT ***** [00:00:02.252,899] <err> os: Instruction Access Violation [00:00:02.252,929] <err> os: r0/a1: 0x20000b28 r1/a2: 0x20000b20 r2/a3: 0x00000000 [00:00:02.252,929] <err> os: r3/a4: 0xaaaaaaaa r12/ip: 0x200007e0 r14/lr: 0x00033609 [00:00:02.252,929] <err> os: xpsr: 0x60000000 [00:00:02.252,960] <err> os: s[ 0]: 0x00000000 s[ 1]: 0x20000aec s[ 2]: 0x2000cbc0 s[ 3]: 0x2000cbc0 [00:00:02.252,960] <err> os: s[ 4]: 0x00000001 s[ 5]: 0x00020a8b s[ 6]: 0x20000000 s[ 7]: 0x20000aec [00:00:02.252,990] <err> os: s[ 8]: 0x20000000 s[ 9]: 0x20000aec s[10]: 0x000003e8 s[11]: 0x000210e1 [00:00:02.253,021] <err> os: s[12]: 0x20001c80 s[13]: 0x200048fc s[14]: 0x200031b8 s[15]: 0x00000001 [00:00:02.253,021] <err> os: fpscr: 0x00000001 [00:00:02.253,021] <err> os: Faulting instruction address (r15/pc): 0xaaaaaaaa [00:00:02.253,051] <err> os: >>> ZEPHYR FATAL ERROR 20: Unknown error on CPU 0 [00:00:02.253,082] <err> os: Current thread: 0x200031b8 (sysworkq)
Requesting Help regarding this.