After upgrade cacti from 0.8.7c to 0.8.8a no graph (NAN)

[goeslym]

Hey all,

Please help me, after upgrade to 0.8.8a graph not view (NAN).

Operating System: win32
Webserver: Apache2.2
Cacti: 0.8.8a
Spine: cmd.php
MySQL: version: 5.0.27-community-nt
PHP:5.1.6
RRDTool (Cygwin or Win32 build): RRDTool 1.2.x
Net-SNMP: NET-SNMP version: 5.3.1
Cygwin (cygwin1.dll version):-
Plugin Architecture: -

Cacti .Log :
12/19/2012 08:11:16 PM - SYSTEM STATS: Time:16.3245 Method:cmd.php Processes:20 Threads:N/A Hosts:1004 HostsPerProcess:51 DataSources:4209 RRDsProcessed:0
12/19/2012 08:11:16 PM - CMDPHP: Poller[0] WARNING: SNMP Get Timeout for Host:'10.1.112.36', and OID:'.1.3.6.1.2.1.1.3.0'
12/19/2012 08:11:16 PM - CMDPHP: Poller[0] WARNING: SNMP Get Timeout for Host:'10.1.112.35', and OID:'.1.3.6.1.2.1.1.3.0'
12/19/2012 08:11:16 PM - CMDPHP: Poller[0] WARNING: SNMP Get Timeout for Host:'10.1.112.34', and OID:'.1.3.6.1.2.1.1.3.0'
12/19/2012 08:11:16 PM - CMDPHP: Poller[0] WARNING: SNMP Get Timeout for Host:'10.1.112.33', and OID:'.1.3.6.1.2.1.1.3.0'
12/19/2012 08:11:16 PM - CMDPHP: Poller[0] WARNING: SNMP Get Timeout for Host:'10.1.112.32', and OID:'.1.3.6.1.2.1.1.3.0'

PHP Information
PHP Version 5.1.6
PHP OS WINNT
PHP uname Windows NT MRTG1 5.2 build 3790
PHP SNMP Installed
max_execution_time 30
memory_limit
Notice: Uninitialized string offset: -1 in C:\www\cacti\utilities.php on line 169

It is highly suggested that you alter you php.ini memory_limit to 120M or higher.
This suggested memory value is calculated based on the number of data source present and is only to be used as a suggestion, actual values may vary system to system based on requirements.

snmpwalk -v 1 -c public localhost .1.3.6.1.2.1.1.1.0
snmpwalk: Failure in sendto (No such file or directory)

~Thks before~

GoEsLym

[BSOD2600]

1) upgrade to mysql 5.5 and php 5.3
2) did you increase the php memory yet?
3) the snmpwalk failure for localhost is also a problem. sure the snmp agent is properly configured?