FTP was unable to load the CAF (Call Access Facility) modules it uses to provide support for SQL queries.
The command is rejected. FTP continues.
If FTP SQL support should be available, contact your system programmer. If FTP SQL support was not intended, issue a 'SITE filetype=' command to change the filetype from its current setting of 'SQL' to 'SEQ' or 'JES'.
If FTP SQL support is desired, ensure that the appropriate DSNLOAD library is included in the STEPLIB for the FTP server. (If FTP is started from the z/OS® UNIX shell, the $STEPLIB environment variable must be set.) Restart the FTP server.