There are a number of these for the particular AP in question:
Mon Feb 27 08:42:52 2012: node_id 1266, topic interface_bandwidth: Failed reading bandwidth data for ap 'Rm18' (id: 1266)
None recently - last one was Feb 27.
Thu Feb 23 11:17:03 2012: node_id 359, topic thin_ap_status: RRDtool update of ap_is_up/440 (/var/airwave/rrd/ap_is_up/440) error: (rrdcached: illegal attempt to update using time 1330017410 when last update time is 1330017412 (minimum one second step)) Thu Feb 23 11:17:03 2012: node_id 359, topic thin_ap_status: RRDtool update of ap_sysuptime/440 (/var/airwave/rrd/ap_sysuptime/440) error: (rrdcached: illegal attempt to update using time 1330017410 when last update time is 1330017412 (minimum one second step))
About 10 of these in a group:
Sat Feb 25 11:13:54 2012: node_id 726, topic association_tables: Use of uninitialized value $model in index at /usr/local/airwave/lib/perl/Mercury/Utility/UserAgent.pm line 129, <$__ANONIO__> line 102857780.
And this one shows up again:
Wed Feb 29 02:39:43 2012: node_id 100, topic thin_ap_status: RRDtool update of ap_is_up/174 (/var/airwave/rrd/ap_is_up/174) error: (rrdcached: illegal attempt to update using time 1330504769 when last update time is 1330504780 (minimum one second step)) Wed Feb 29 02:39:43 2012: node_id 100, topic thin_ap_status: RRDtool update of ap_sysuptime/174 (/var/airwave/rrd/ap_sysuptime/174) error: (rrdcached: illegal attempt to update using time 1330504769 when last update time is 1330504780 (minimum one second step))