Hi,
as far as I can find, SMI keyword is non-standard extension used by SMIC compiler. You will get same error if you will try to compile it with net-snmp for example (and likely any other MIB compiler). You should only add MIBs that use standard syntax, not compiler-specific extensions. And it is recommended not to add those already provided (as RFC1155-SMI or SNMPv2-SMI for example).
Best regards,
Victor
