feat(errors): Add code for invalid configuration

internal/errors/code_test.go

@@ -410,6 +410,11 @@ func TestCode_Both_String_Info(t *testing.T) {
 			c:    ChecksumMismatch,
 			want: ChecksumMismatch,
 		},
+		{
+			name: "InvalidConfiguration",
+			c:    InvalidConfiguration,
+			want: InvalidConfiguration,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {