I believe you are using AIX as an operating system and you have more
than one instance. In such a case, instance owners should have proper
access to each others' path.
Please login as the instance owner who experiences the problem and cd to
home directory of the other instance owner(s). Then issue /usr/bin/pwd.
If it complains about lack of permission. That's the actual cause of
the problem. If not, cd to sqllib and issue the same command and then
cd to sqllib/function and do the same thing. One of these has a
permission problem. To solve the problem you should see your Unix
admin. It could be a mounting issue at Unix level.
This issue happens just on AIX and there is a good explanation for that
based on AIX architecture.
Regards,
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