After 1.8.1.0 upgrade the reports feature only shows one reporting option: Reports > Sales > Paypal Settlement Option
No other reporting options are showing?
After 1.8.1.0 upgrade the reports feature only shows one reporting option: Reports > Sales > Paypal Settlement Option
No other reporting options are showing?
Did you flush the configuration cache?
This sounds like the Report module is deactivated and only Paypal's Report is shown...