ORA-07221: slspool: exec error, unable to start spooler program.

ORA-07221: slspool: exec error, unable to start spooler program.

Cause: Exec failed when starting line printer spooler command. Likely that either the default line printer command, or ORACLE_LPPROG, is incorrectly set.

Action: Verify default line printer command and ORACLE_LPPROG are set correctly. Set ORACLE_LPPROG to working line printer spooler.