How To Fix SAML2144 - Unknown trusted entity type: '&1'

SAML2144 - Overview

• Message type: E = Error

• Message class: SAML2 - SAML2 Nachrichten

• Message number: 144

• Message text: Unknown trusted entity type: '&1'

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SAML2144 - Unknown trusted entity type: '&1' ?

  The SAP error message SAML2144 indicates that there is an issue with the configuration of a trusted entity in the context of SAML (Security Assertion Markup Language) authentication. Specifically, the error message states that the system encountered an "unknown trusted entity type" for the entity identified by &1.
  
  Cause:
  The error can occur due to several reasons:
  
  Incorrect Configuration: The trusted entity (such as an Identity Provider or Service Provider) may not be correctly configured in the SAP system.
  Unsupported Entity Type: The entity type specified in the configuration may not be recognized by the SAP system. This could happen if the entity type is misspelled or if it is not supported by the version of SAP you are using.
  Missing Metadata: The metadata for the trusted entity may be missing or incorrectly defined, leading to the system being unable to recognize the entity type.
  Version Mismatch: There may be a mismatch between the SAML versions