Scenario
Run Financial Report with Alternate Period Range set as This Period, receive a notice “The accounting period range This Period has not been defined. Please visit 'Setup > Accounting > Manage Accounting Periods' to define this period or set up your year.” To resolve the Error, user can follow any of the below suggested resolution.
Solution
A. Accounting Period Setup
a. Check and verify if all Calendar Year has been set up with complete accounting period via Setup > Accounting > Manage Accounting Periods (example: Standard Fiscal Calendar should have January to December period)
b. If there is no accounting period for the current year, the same error happens (see Enhancement 157976)
To resolve a& b, proceed with the correction by setting up the year with the complete accounting periods
B. On the URL address of the report page, add the text "&crit_1_mod=TH" then press F5 key or click Refresh on your browser.