Looking at the similar solutions in the community, I checked the randomize parameter box in everywhere applicable. However, the error message- Error 400 (seed value must be a number or reference to another field)- keeps popping up!
Welcome to the community, @ArefinNoman! Maybe you will need to download your form as XLSForm and then validate it with the online validator to see if there are any syntax issues. You could also check out the specific question (choices) to fix this through the XLSForm as shown in the post discussed previously: