Merge branch 'sa.apweiler-master-patch-70755' into 'master'

Add new FAQ item about Authentication failed error

See merge request !28

faq.md

@@ -25,6 +25,15 @@ AAI is short for "Authentication and Authorisation Infrastructure" and comprises
 </div>
 </details>
 
+<details>
+<summary><strong>While logging in using my home organisation, I got an “Authentication failed” error.</strong></summary>
+<div markdown=1>
+The error message says: "The remote authentication was successful, however the the server's policy requires more information then was provided to register your account."
+
+Your home organisation did not release all mandatory information to create your Helmholtz AAI account. Beside the federations metadata, the mandatory information that your organisation needs to transfer to the Helmholtz AAI can be reviewed in the [documentation](https://hifis.net/doc/helmholtz-aai/attributes/#consumed-attributes-from-identity-providers-idp). Please contact your organisation's helpdesk and ask to release the mandatory information to the Helmholtz AAI. In case your home organisation does not want to release this information, you can use some social accounts like Google, GitHub and ORCID.
+</div>
+</details>
+
 <details>
 <summary><strong>How does the authentication via Helmholtz AAI work?</strong></summary>
 <div markdown=1>