#1 by Lorenzo
Dear all, First of all,I must say I'm new in oTree without a real programming background. I'm trying to develop a difficult task in oTree. Now I have an error message which I am not able to solve: " otree.templating.errors.UndefinedVariable: Cannot resolve the variable 'n_stock' (line 7, in "n_stock") " This happened when I added 4 pages to my sequence instead of 1 there was before. I need this 5 identical pages because i need 5 rounds of this "decision task" , after this there is 1 time the result page and i need this process for 30 rounds. Thank you in advance.
#2 by Jonas
Hey Lorenzo, i think we need to see the relevant parts of your code to be able to solve your problem :)
#3 by Lorenzo
Hi Jonas :) Thank you for your reply. I attach screenshots of the script. I hope this can help.
#4 by Lorenzo
#5 by Furuneko
Hi, You need to add the method "vars_for_template" of page Decision5 also to the other pages. Unless that's intentional, you need to have a different Player field for each Decision page, e.g. choice_1, choice_2, etc... Best
#6 by Lorenzo
Hi Furuneko, Regarding the second point. Do you mean that i have to write a new "class Player(BasePlayer)" for each decision page or to rename :"form_model = 'player' AND form_fields = ['choice']" with numbers? Thank you, Lorenzo
#7 by Furuneko
Hi, You would need to add extra fields to the (same) Player class: class Player(BasePlayer): choice_1 = models.IntegerField() choice_2 = models.IntegerField() choice_3 = models.IntegerField() ... Then in the form_fields of each page you would need to add the relevant field - e.g. class Decision1(Page): form_fields = ['choice_1'] class Decision2(Page): form_fields = ['choice_2'] And so on... I hope that this helps.
#8 by Lorenzo
Thank you for this, I tiped everything. But now I have another error message and I don’t understand which is the mistake. " File "..../__init__.py", line 65 class Decision2(Page): ^ SyntaxError: invalid syntax "
#9 by Furuneko
It is a syntax error, it would be useful if you could share your init.py. (if I may, it seems to me that you would benefit from using oTree Studio, which would help you to avoid many of the errors that you are dealing with).
#10 by Lorenzo
Thank you for the suggestion. I try to use it. I share the init.py :)
#11 by Lorenzo
Thank you all :) I solved my problem!