How To Fix SAML2160 - Undefined source of SAMLResponse. Must be either parameter or header.

SAML2160 - Overview

• Message type: E = Error

• Message class: SAML2 - SAML2 Nachrichten

• Message number: 160

• Message text: Undefined source of SAMLResponse. Must be either parameter or header.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SAML2160 - Undefined source of SAMLResponse. Must be either parameter or header. ?

  The SAP error message SAML2160: Undefined source of SAMLResponse. Must be either parameter or header. typically occurs in the context of Single Sign-On (SSO) configurations using SAML (Security Assertion Markup Language). This error indicates that the system is unable to determine the source of the SAML response, which is essential for processing the authentication request.
  
  Cause:
  
  Missing SAML Response: The SAML response is not being sent correctly from the Identity Provider (IdP) to the Service Provider (SP).
  Incorrect Configuration: The configuration settings for the SAML authentication in the SAP system may not be set up correctly, leading to the system not recognizing where to look for the SAML response.
  Network Issues: There may be network issues preventing the SAML response from being received properly.
  Incorrect URL: The URL used for the SAML response might be incorrect or not properly configured in the IdP or SP settings.
  
  
  Solution:
  
  
  Check SAML Configuration:
  
  Ensure that the SAML configuration in both the