XXX (Server)	Thu Oct 13 09:24:06 2016
	Modifying procedure GET$CS$TRANSFER_REGISTERS which is currently in use by active user requests


XXX (Server)	Thu Oct 13 09:24:59 2016
	INET/inet_error: read errno = 10054


XXX (Server)	Thu Oct 13 09:24:59 2016
	Database: --CENSORED--
	internal Firebird consistency check (can't continue after bugcheck)


XXX (Server)	Thu Oct 13 09:24:59 2016
	Database: --CENSORED--
	internal Firebird consistency check (can't continue after bugcheck)

и так далее

Unsuccessful execution caused by a system error that precludes successful execution of subsequent statements.
database file appears corrupt ().
bad checksum.
checksum error on database page 1454424.