in reply to Re^2: Modification of a read-only value attempted
in thread Modification of a read-only value attempted

Obviously not always...

edit

see Basic debugging checklist Point 4 about dumping

Cheers Rolf
(addicted to the Perl Programming Language :)
Wikisyntax for the Monastery

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Re^4: Modification of a read-only value attempted
by ikegami (Patriarch) on Feb 01, 2021 at 21:11 UTC

        There are entries that $response$i$j{creden} don't have following {uName}; hence i am getting the error. I would like to check if $response$i$j{creden} key having the value {uName}; or not to verify a check before assign the value to a new variable. Any help is appriciated.