Cant get the chcek to work

Nagios Core 4.3.4
Ubuntu 16.04.1 LTS

snmpwalk works

Check does not

root@tgcs017:/usr/local/nagios/libexec# ./check_snmp_cisco.pl -H 10.2.8.4 -C public -I GigabitEthernet1/0/21 -S up
sh: 1: cannot create /var/nagios_plugin_cache/10.2.8.4_cache: Directory nonexistent
MIB search path: /root/.snmp/mibs:/usr/share/snmp/mibs:/usr/share/snmp/mibs/iana:/usr/share/snmp/mibs/ietf:/usr/share/mibs/site:/usr/share/snmp/mibs:/usr/share/mibs/iana:/usr/share/mibs/ietf:/usr/share/mibs/netsnmp
Cannot find module (IF-MIB): At line 0 in (none)
IF-MIB::ifDescr: Unknown Object Identifier
sh: 1: cannot create /var/nagios_plugin_cache/10.2.8.4_cache: Directory nonexistent
MIB search path: /root/.snmp/mibs:/usr/share/snmp/mibs:/usr/share/snmp/mibs/iana:/usr/share/snmp/mibs/ietf:/usr/share/mibs/site:/usr/share/snmp/mibs:/usr/share/mibs/iana:/usr/share/mibs/ietf:/usr/share/mibs/netsnmp
Cannot find module (IF-MIB): At line 0 in (none)
IF-MIB::ifName: Unknown Object Identifier
sh: 1: cannot create /var/nagios_plugin_cache/10.2.8.4_cache.tmp: Directory nonexistent
mv: cannot stat ‘/var/nagios_plugin_cache/10.2.8.4_cache.tmp’: No such file or directory
grep: /var/nagios_plugin_cache/10.2.8.4_cache: No such file or directory
MIB search path: /root/.snmp/mibs:/usr/share/snmp/mibs:/usr/share/snmp/mibs/iana:/usr/share/snmp/mibs/ietf:/usr/share/mibs/site:/usr/share/snmp/mibs:/usr/share/mibs/iana:/usr/share/mibs/ietf:/usr/share/mibs/netsnmp
Cannot find module (IF-MIB): At line 0 in (none)
IF-MIB::ifOperStatus.: Unknown Object Identifier
Unknown state for GigabitEthernet1/0/21 : check your -s state syntax
root@tgcs017:/usr/local/nagios/libexec#

Even leaving off the -S get same error

Any ideas?

Thank you

Tom