issue occur after validation

i  have one field  where i called microflow  for set date  +1 year.  2.and also have another microflow for same as above adress using check box then check both works. after page devleopment done i give required validations to some fields then microflow don’t work . then i again remove all validations from page and check now it again working. so why this issue happen because i want to add validation with working all things well.