Mismerge in 3608 causes undesired API revert
The parameter list of the method generatePureScheduleConstraints changed during the development of branch 3608. After merging #3608, the interface is at its old state causing compilation errors in the unofficial MOEA plugin. Since this change was unintended, update the API again.
(from redmine: issue id 3807, created on 2019-08-29, closed on 2019-08-30)