Too many users in database

Error constant SQLE_TOO_MANY_USERS
ODBC 2 State ERROR
ODBC 3 State ERROR
Severity 16
SQLCODE –1104
SQLSTATE 54W10
Sybase error code 13410
Probable cause

You have exceeded the maximum number of users permitted to access the database. The maximum number of users that are allowed granted access to a single UltraLite database is four.