Getting errors when data are collected

Getting errors when data are collected

Hello,
 
We puchased AD AuditPlus, it is installed on Windows 2003 R2 x64 server, volume to store data is 350 GB, 300 GB available for use.
AD Audit Plus is version 4.1 build 4110.
 
We have around 64 DCs that we are auditing.
I'm getting an error : Not enough storage is avialable to process this command - Code error : 8
 
What does it mean ?, how can I resolve it ?
 
In admin/Domain Settings, it seems that time for last event read time is not correctly updated and message still visible Event collection scheduled... but when we click on run now, it says Fetching data for xxxxxxx is already in progress, please wait for it to end
 
It is confusing and our auditors are asking me why, can we rely on the data collection scheduler ?.
 
Can you help on it, it is becoming urgent and I need to provide answer quickly.
 
Best regards
Philippe

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