The iterator by default works with Range Size of 25, to make it work for all the records set the size of iterator to -1 inside pagedefinition iterator properties to avoid below error.
javax.servlet.ServletException: oracle.jbo.InvalidParamException: JBO-25006: Value 26 passed as parameter rangeIndex to method ViewRowSetIteratorImpl.insertRowAtRangeIndex is invalid: index outside range.
