oratop failing when scheduled through cron/at
I am trying to schedule oratop from cron/at but it is failing with a strange error
Error:FIFO(pipe) is not supported.
I am using below command which is running absolutely fine from putty terminal but failing from cron with above error.
If anybody has faced this issue and resolve please help me with this issue.
/bin/tfactl analyze -comp oratop -bn1 -database $dbname -f >output.log
WARNING - AHF Software is older than 180 days. Please consider upgrading AHF to the latest version using ahfctl upgrade.
oratop: Release 16.5.1 Production on Tue Jul 29 15:42:33 MST 2025
Copyright (c) 2011, Oracle. All rights reserved.