It seems that you have a lot of choices in your xlsfrom which is killing the performance of survey project. Would you mind managing them through select_one_from_file. Doing so would help better perform your survey project.
Maybe you could follow the workaround that has been discussed previously:
Or, maybe if you want to stick with your previous format, would you mind reducing the choices that you currently have with the cascading select and see. It should not have an issue.
Also please be informed that if you wish to follow the method that i have outlined, there are some issues you should be aware of which you will find in the post discussed here:
