Cannot modify limit: Operation not permitted

Hi When i log in to oracle user, it gives this error; -bash: ulimit: max user processes: cannot modify limit: Operation not permitted the output of the /etc/profile is; if [ $USER = "oracle" ]; then if [ $SHELL = "/bin/ksh" ]; then ulimit -p 16384 ulimit -n 65536 else ulimit -u 16384 -n 65536 fi fi Please help Thanks

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