I work on an app which have to accessing keychain items with biometric method( face id or touch id) . We have received an issue that is user installed the app and do registration to insert the data into keychain for later use, then delete and reinstall the app . When user try to do the registration againn, keychain SecItemAdd method failed with error code -25330. The user use iPhone 12(iOS 14.3) and it happen irregularly. The log: 18:35:44.261389+0800 securityd deleted genp,acct=,svce=,agrp=XXXXX,sync=0,musr=, |otherAttr,tomb=0,rowid=78066,cdat=2021-04-29 10:35:44 +0000,mdat=2021-04-29 10:35:44 +0000,sha1=823CD54A2E06C44D941F0C349CBAEC06FBEEC1E2,accc=318183300C0C0470726F740C04616B707530730C0361636C316C30070C026F6501010130090C046F64656C01010130560C026F643150304E0C046362696F314630190C057062696F630410186F86E694AB529847803D3747422E2B30290C057062696F680420467A9C1598FB013ECA1030956B7E73C7CF030994BB45BA21268D111593093233,UUID=F07953A7-55A0-46E0-9052-7B98833B5B03,persistref=,clip=0 from SecDbConnect