Hi @ouazzani m,
Where are you seeing this error? Also, could you please see if the DB & DB version you are using for PWH is compatible with AppMon 7.x and if you using windows authentication to connect to PWH, did you manually add back the debug arguments to enable windows authentication.
These may be a worth while validation. Please check them and let us know the result.
please check the Repository.0.0.log from the server for obvious issues like db permissions and so on. If you don't see anything that you can fix yourself, please open a support ticket with a support archive attached. Thanks,
As per system requirements (https://www.dynatrace.com/support/doc/appmon/installation/system-requirements/#anchor_pwh) Oracle 10G is compatable. Please rebuild your schema from your client and if the issue still persists i would check Repository.0.0.log as Peter mentioned and create a support ticket. Please share your findings here for us to learn from.