hash store failed errror

[The - Creative <talktomenow@xxxxxxxxx>]

What is the root cause for below error in Apache web server and how do
we resolve that :

[Tue 24 Jul 2012 00:00:02] hash store failed while registering module
class 256 'Generic'. Consult your vendor.
[Tue Jul 24 00:00:02 2012] [notice] seg fault or similar nasty error
detected in the parent process

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