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Sorry for the late reply.
It turns out that it does not work for the old version too! It was my mistake, but the problem is what you said.

Many thanks for your consideration.

Hi,
When I was using an old version of FET, I could have a "student home room", "teacher home room" and for those activities that its teacher and student has "home room" constraint, I could define an "activity preferred room'. In this way, FET was ignoring the student and teacher's home room constraints and just consider the "activity preferred room". But now that I have switched to the new version, it says "Cannot generate timetable, because for activity with id==1 you have no allowed home room (from constraints students set home room(s) and teacher home room(s))".

What I need is that a teacher T1 has many classes, and they should be in his home room by default. The same holds for a student set S1, but the teacher T1 has just one specific class with S1, and it can be in another room (maybe in T1's home room, or S1's home room or any other room). Is there any solution to use the new version of FET and apply this, or I have to use the old version?

Thanks in advance

Thanks for your reply. Actually, in the mentioned example, some courses of S1-F can be presented at the same time with the courses of S1-P and S2. But the point is that we do not want to change the S1-P and S2 schedule because of S1-F. We want to find a timetable for S1-P and S2 and then manage the timetable of S1-F in the best possible way according to the S1-P and S2 schedule. At the moment, when we run the program S1-F may affect S1-P, S2 timetable, which is not what we want.

Hi, I faced a problem that I do not know how to handle it in FET.

Suppose many students, who started their semester in October 2018, failed many of their courses. Let's call these students S1, and assume half of them passed all the courses (Let's call these students S1-P), but the other half failed half of the courses (Let's call these students S1-F). A new student set will start their education in March 2019 (let's call them S2), and we want to generate a timetable of all university for March 2019.

S1 and S2 should take some courses separately according to their chart. For this part, we can create the activities and select the corresponding student for each, so far so good. The problem is the situation that S1-F should be able to take some of the courses of S1-P as well as S2, but the priority is with S1-P and S2 for scheduling. For example, we want to put a "Max Days per week" constraint for S1-P and S2. Also, we need a timetable for S1-F as dense as possible (to make sure they will not come to university many days).
As a short story, we want to generate a timetable for S1-P and S2 according to their constraints, after that, find a good time for activities of S1-F.

How can I do that?

Hi,
There are some classes which they shall behold every other week (not every week). Let's say some f the on the even weeks and some the others on the odd weeks. how do you use FAT to define them? Does FET support this kind of classes?

Thanks.

Sorry for mentioning the repetitive question and many thanks for your reply.

Hi everyone,
In my timetable, the classes of a student set can be in any day, but they have to be in two continuous days (there should not be any day in between). How can I achieve this requirement?

Thanks in advance.

Thanks a lot.

Hi there,
I have following request, how can I apply it in the FET.
I have an activity contains two subActivities. They can be scheduled in any room but both of them should be scheduled in the same room. What should I do for this requirement?

Thanks a lot.

It is a little confusing!!! Thanks a lot.

Hi there,
In the attached file (is based on one of the examples), I have a TeacherHomeRoom constraint with 100% weight. But it does not work properly. Could you let me know if I am making a mistake?

Thanks in advance.

You are absolutely right.

Thank you very much.

Hello everyone,
It seems two bellowing constraints do not work.
1- A set of students have a home room.
2- A teacher has a home room.
Maybe, the constraints "a set of students have a set of home rooms" and "a teacher has a set of home rooms" has the same problem too.

In the attachment, you can find a sample of this problem.
Thanks.

Thank you for great job, Yes your right, beacuse this bug exists in StudentsNotAvailbleTime too. I just wanted to report it (as little help), timing and solving it is in your powerful hands.

If there exist a TeachNotAvailableTime Tag which used a teacher which is not defined in input xml file (Teachers Section), FET will not find out it until it wants to run data.

I did not know it solved or not.

Thank you for your great work.