Solution : https://service.sap.com/sap/support/notes/875679 (SAP Service marketplace login required)
Key words : 
http-access logs \usr\sap\<sapsid>\<instance_name>\j2ee\cluster\server0\log\system\httpaccess\response, \usr\sap\<sapsid>\<instance_name>\j2ee\cluster\server0\log\system\httpaccess\responses, chgrp sapsys /sapmnt/<sid>/profile chown <sid>adm /sapmnt/<sid>/profile, file /usr/sap/<sid>/<dinn>/j2ee/cluster/instance, converted file /usr/sap/<sid>/sys/profile/default, dirs=/usr/sap/<sid>/sys/j2ee/ext 5, topics                                        date changed======                                        ============1 general information                          25/apr/082 pre-installation                              18/, /usr/sap/<sid>/<cinn>/j2ee/configtool/configtool, file /usr/sap/<sid>/sys/profile/default, /sapmnt/<sid>/profile /sapmnt/<sid>/global
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