We also encountered this problem, which appeared in version 14.5-15.0. Is there any progress on this issue? What should we do to avoid this problem?
Error Domain=CryptoTokenKit Code=-3 "<sepk:p256 kid=09457140cef6eace>: unable to sign digest" UserInfo={NSDebugDescription=<sepk:p256 kid=09457140cef6eace>: unable to sign digest, AKSError=-536362999}