If any of the following conditions are true, the router records a trap message, generates a syslog error message, and does not program the ILM and NHLFE for the prefix SID.
Received prefix SID index falls outside of the locally configured SID range.
One or more resolved ECMP next-hops for a received prefix SID did not advertise SR Capability sub-TLV.
Received prefix SID index falls outside the advertised SID range of one or more resolved ECMP next-hops.