ChangeEncryptionKey() and save document after creating a brand new Database throws CouchbaseLiteException (SQLiteDomain / 21): bad parameter or other API misuse.

public void TestChangeEncryptionKeyNSaveDocOnNewDB()

        {

            var config = new DatabaseConfiguration {

                Directory = Directory

            };            using (var db1 = new Database("master3", config)) {

                db1.ChangeEncryptionKey(new EncryptionKey("password")); // setting encryption key on the database file, the database file didn't exist yet in this case

                using (MutableDocument saveDoc = db1.GetDocument("my-doc")?.ToMutable() ?? new MutableDocument("my-doc")) {

                    saveDoc.SetString("prop", "value");

                    db1.Save(saveDoc);

                }

            }

        }