changed error code

Author: AngelAngelXie

packages/auth/src/core/errors.ts

@@ -382,7 +382,8 @@ function _debugErrorMap(): ErrorMap<AuthErrorCode> {
     [AuthErrorCode.INVALID_REQ_TYPE]: 'Invalid request parameters.',
     [AuthErrorCode.INVALID_RECAPTCHA_VERSION]:
       'The reCAPTCHA version sent to the backend is invalid.',
-    [AuthErrorCode.WEB_OTP_NOT_RETRIEVED]: 'WEB OTP autofill failed'
+    [AuthErrorCode.WEB_OTP_NOT_RETRIEVED]: 
+      'Web OTP code is not retrieved successfully',
   };
 }
 

packages/auth/src/platform_browser/strategies/phone.ts

@@ -115,7 +115,7 @@ class ConfirmationResultImpl implements ConfirmationResult {
             const myErr = _errorWithCustomMessage(
               auth,
               AuthErrorCode.WEB_OTP_NOT_RETRIEVED,
-              `Web OTP code is not valid`
+              `the auto-retrieved credential or code is not defined`,
             ) as WebOTPError;
             myErr.confirmationResult = this;
             throw myErr;