When a user opens a project and clicks on 'Financial' tab then on the "New Manual Plan" button, the 'Create Cost Plan' page open. Without filling any fields, simply click on the 'Detail' tab and you get 'Internal server error'.
1. Open any project and click on 'Financials' tab
2. click on 'New Manual Plan'
3. Click on 'Detail' tab
Expected : Details and Processes tab should not be displayed until new plan is created.
Actual : 'Internal Server Error' is displayed