Unsuccessful execution caused by system error that does not preclude successful execution of subsequent statements.
SQL error state =HY000
Wrong file for memory mapping, see details in firebird.log.

в firebird.log вижу запись:

BVSOFT-LINUX Mon Jun 27 17:45:02 2022
ConfigStorage: Cannot initialize the shared memory region
Wrong file for memory mapping, see details in firebird.logспасибо за ответы.

Wrong file for memory mapping:
	expected %s
	already mapped %s
	Check for presence of another Firebird instance with different lock directory