3461594 - Error "We were not able to verify your account. Check your login credential and try again" happened when click Verify Account for step 4 of configuring custom IDP in SAP Analytics Cloud (SAC)

In step 4 of configuring custom IDP in SAC by following the steps in the SAC help guide Enable a Custom SAML Identity Provider, click the Verify Account button. The following error message pops up:

• "We were not able to verify your account. Check your login credential and try again"

The below error can be seen in web browser HAR trace:

• Request URL: https://<SAC Host>/sap/fpa/services/rest/epm/security/setup/samlVerify?&tenant=B

• errorDetails: [{message: "uploadIdPMetadata failed with 500 status", bUIMessage: false, bWarning: false}]

1. 1. 0: {message: "uploadIdPMetadata failed with 500 status", bUIMessage: false, bWarning: false}
      1. bUIMessage: false
      2. bWarning: false
      3. message: "uploadIdPMetadata failed with 500 status"
      4. message: "uploadIdPMetadata failed with 500 status"
      5. stack: ""
      6. status: 500

• SAP Analytics Cloud (Enterprise)

SAC, IDP, Verify Account, Custom. , KBA , LOD-ANA-AUT , SAC Authentication / Login , Problem