The periods related to the training can be viewed on the module selection periods screen. The actual, the previous and next semester can be selected in the semester filter.
Modules to add and add-on modules
The number of Modules to add means the number of modules that should be taken, this amount of module registrations of all the modules selected will be approved at most.
The number of Add-on modules means how many modules can be selected altogether.
The selected period can be viewed by clicking the Select link. If the period is valid, the process of module selection can be started.