urgent help

[karthikeyan_ngl]

Hi,
    our compny already having cognos8.4bi ,its working well.right now installed cognos planning8.4 .but planning server is not started.it through error like"server status couldnot be changed-error code-0".please guide me .in which part i have to changed?and what are the modification to make in bi configuration and planning configuration.(note:two configuration are there.)