As soon as automated training planning has been initiated, it is locked for processing by default. The purpose of this is to ensure that existing plans produced by the algorithm are not incorrectly overwritten. Of course, the planning can still be unlocked manually for each trainee and then edited. The planning can be unlocked in the "Training plan" tab in each trainee's personnel file.
If the planning is to be unlocked for all trainees, this is possible in mass processing:
If the planning for a trainee is unlocked, it can be overwritten in the automatic training planning.