dropdown

Hi

for this code am getting the error can someone suggest me what mistake i have done here

  a!dropdownField(
                  placeholderLabel: cons!CR_APP_TXT_PLACEHOLDER_VALUE,
                  disabled: ri!IsReadOnly_bool,
                  choiceLabels: touniformstring(
                    rule!APN_distinct(
                      index(
                        local!getContractIds_cdt,
                        "contractId_int", {}
                      ) ) ),
                  choiceValues: touniformstring(
                    rule!APN_distinct(
                      index(
                        local!getContractIds_cdt,
                        "contractId_int",
                        {} ) ) ),
                  value: if(
                    rule!APN_isEmpty( fv!item.value_txt ),
                    {},
                    apply(
                      trim(
                        _
                      ),
                      split(
                        fv!item.value_txt,
                        ";"
                      )
                    )
                  ),
                  saveInto: ri!crAPPContractExtension_cdt.value_txt
                ),