Cause
This error occurs when an attempt to add a new database file using the JADE development environment or a schema load exceeds the maximum number of files allowed by the current database session.
The maximum number of persistent database files that can be added without restarting the database server is determined by the
The maximum number of processes (each of which requires a transient database file) that can be started in a node is determined by the
The maximum number of user database files that can be defined in a database is 65,484, with the default value being 2,048. The maximum number of processes that can be started in a node is 65,483, with the default value being 2,047.
Action
When the limit that results in this error occurring has been reached, the node must be restarted to allow further files to be defined. Increase the value of the FileNumberHeadroom parameter in the [PersistentDb] section or the HighestFileNumber parameter in the [TransientDb] section, if you envisage exceeding the default limits.