While doing the customer contact upload in d365 system is throwing error"update not allowed for field 'Party ID(PartyNumber)" validation failed
Entity is Contacts v2
CONTACTPERSONID | ADDRESSBOOKNAMES | ALTERNATECOMPLIMENTARYCLOSINGPHRASE | ALTERNATESALUTATIONPHRASE | ANNIVERSARYDAY | ANNIVERSARYMONTH | ANNIVERSARYYEAR | ASSISTANTNAME | ASSISTANTPHONENUMBER | ASSOCIATEDPARTYNUMBER | AVAILABLEFROMTIME | AVAILABLETOTIME | BILLINGINFORMATION | BIRTHDAY | BIRTHMONTH | BIRTHYEAR | CHILDRENNAMES | CITIZENSHIPCOUNTRYREGION | CONTACTACTIVITYSENSITIVITYLEVEL | CONTACTINFORMATIONLANGUAGEID | CONTACTPERSONNAME | CONTACTPERSONPARTYNUMBER | CONTACTPERSONPARTYTYPE | CONTACTPERSONRESPONSIBLEPERSONNELNUMBER | DECISIONMAKINGROLECODE | DISPLAYNAMESEQUENCEPATTERNNAME | ELECTRONICLOCATIONID | EMPLOYMENTCOMPUTERNETWORKNAME | EMPLOYMENTDEPARTMENT | EMPLOYMENTJOBFUNCTIONNAME | EMPLOYMENTJOBTITLE | EMPLOYMENTOFFICELOCATION | EMPLOYMENTPROFESSION | FIRSTNAME | FORMATTEDPRIMARYADDRESS | GENDER | GOVERNMENTIDENTIFICATIONNUMBER | HASREQUESTEDINTERNETACCESS | HOBBIES | INITIALS | ISCONTACTPERSONEXTERNALLYMAINTAINED | ISDEFAULTCONTACTPERSON | ISIMPORTED | ISINACTIVE | ISPRIMARYEMAILADDRESSIMENABLED | ISPRIMARYPHONENUMBERMOBILE | ISRECEIVINGDIRECTMAIL | ISVENDORPORTALACCESSALLOWED | ISVIP | KNOWNASNAME | LASTEDITDATETIME | LASTNAME | LOYALTYLEVELPHRASE | MANAGERCONTACTPERSONID | MARITALSTATUS | MICROSOFTOUTLOOKCATEGORIES | MIDDLENAME | MILEAGEDISTANCE | NOTES | ORGANIZATIONIDENTIFICATIONNUMBER | PERSONALCHARACTERTYPECODE | PHONETICFIRSTNAME | PHONETICLASTNAME | PHONETICMIDDLENAME | PRIMARYADDRESSBUILDINGCOMPLIMENT | PRIMARYADDRESSCITY | PRIMARYADDRESSCOUNTRYREGIONID | PRIMARYADDRESSCOUNTRYREGIONISOCODE | PRIMARYADDRESSCOUNTYID | PRIMARYADDRESSDESCRIPTION | PRIMARYADDRESSDISTRICTNAME | PRIMARYADDRESSLATITUDE | PRIMARYADDRESSLOCATIONID | PRIMARYADDRESSLOCATIONROLES | PRIMARYADDRESSLONGITUDE | PRIMARYADDRESSPOSTBOX | PRIMARYADDRESSSTATEID | PRIMARYADDRESSSTREET | PRIMARYADDRESSSTREETNUMBER | PRIMARYADDRESSTIMEZONE | PRIMARYADDRESSVALIDFROM | PRIMARYADDRESSVALIDTO | PRIMARYADDRESSZIPCODE | PRIMARYCOMPLIMENTARYCLOSINGPHRASE | PRIMARYEMAILADDRESS | PRIMARYEMAILADDRESSDESCRIPTION | PRIMARYEMAILADDRESSPURPOSE | PRIMARYFACEBOOK | PRIMARYFACEBOOKDESCRIPTION | PRIMARYFACEBOOKPURPOSE | PRIMARYFAXNUMBER | PRIMARYFAXNUMBERDESCRIPTION | PRIMARYFAXNUMBEREXTENSION | PRIMARYFAXNUMBERPURPOSE | PRIMARYLINKEDIN | PRIMARYLINKEDINDESCRIPTION | PRIMARYLINKEDINPURPOSE | PRIMARYPHONENUMBER | PRIMARYPHONENUMBERDESCRIPTION | PRIMARYPHONENUMBEREXTENSION | PRIMARYPHONENUMBERPURPOSE | PRIMARYSALUTATIONPHRASE | PRIMARYTELEX | PRIMARYTELEXDESCRIPTION | PRIMARYTELEXPURPOSE | PRIMARYTWITTER | PRIMARYTWITTERDESCRIPTION | PRIMARYTWITTERPURPOSE | PRIMARYURL | PRIMARYURLDESCRIPTION | PRIMARYURLPURPOSE | PROFESSIONALSUFFIX | PROFESSIONALTITLE | SEARCHNAME | SPOUSENAME |
000038 | 000002931 | Normal | en-us | MCM | 000004172 | Business;Delivery;Invoice;Other |