Log sequence numbers for this instance have almost been completely consumed. The current log generation is %4 which is approaching ...

%1 (%2) %3Log sequence numbers for this instance have almost been completely consumed. The current log generation is %4 which is approaching the maximum log generation of %5, there are %6 log generations left to be used. To begin renumbering from generation 1, the instance must be shutdown cleanly and all log files must be deleted. Backups will be invalidated.  

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