Log Activities in Oracle E-Business Suite R12

Hi, i want to post about log activities in Oracle E-Business Suite R12. My post based on Oracle Metalink Support, and i have prove them in Vision instance my office. I think, whenever we have issues and the error messages in the logs are not enough. Setting those profile options with higher level will allow collect/obtain more details about the error.

These are few examples which related into profile option for log activities:

How To Trace and Debug Oracle Self Service Web Applications For EBS CRM [ID 399229.1]
How To Get Log Files In iProcurement [ID 290614.1]
How to Generate Receiving Transaction Debug Statements in 11.5.10 and R12 [ID 299497.1]
How to Capture Debug / Log / Trace Files During the Purchase Order / Requisition Approval Process? [ID 409155.1]
How to get Required Configurator Log Files for Runtime Specific Issues [ID 313695.1]

And based on concern DBA team, we never set this profile option in production database to Yes at the site level.

Thank you.