Today's excuse: Non-Specific Request Invalidation

In case the above is not good try one of these:

Intermittant Gateway Destabilisation
Nullified Software Stackdump Signal
Aborted Installation Condition
Dereferenced Backplane Destabilisation Signal
Multiple Syntax Override
Non-Replicated Streaming Corruption
Unreplicatable Authentication Infection Problem
Multiplexed Registry Corruption Problem
Unvalidated Comms Unavailability
Aborted Subsystem Destabilisation Warning

Get the source