Look like you are running PLESK
A possible workaround (Make a backup first):
Open httpsd.conf (which is in /usr/local/plesk/apache/conf or /usr/local/psa/apache/conf directory) in an editor and remove the PHP directive of open_basedir in your domain.
Then restart PLESK with /usr/local/plesk/apache/bin/httpsdctl restart or /usr/local/psa/apache/bin/httpsdctl restart