Add & edit option/ button in table not working only allow two records

I have 1:* relationship with two table in model so I am using table to add collection, In addition I am using separate form to add, edit and view in table collection. it was working fine since we project to server these table options i.e add and edit are very temperamental, some time it shows option and some time is not. some time it allows to add two record max and then next and save button disappear on main form I am following this tutoral http://help.bizagi.com/bpmsuite/en/index.html?table_validations.htm please review attached screen shoots