try /opt/otrs/bin/SetPermissions.sh /opt/otrs/ otrs www-data www-data www-data 

(works like this for DEBIAN, check your otrs and webserver user names !!)

Nils Leideck

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Nils Leideck
Senior Consultant
nils.leideck@leidex.net

https://webint.cryptonode.de / a Fractal project