Symptom
You are trying to open RUI interface with the SSO String:
https://myxxxx-sso.crm.ondemand.com/sap/byd/runtime?client_type=newhtml
where xxxx is your system URL and the logon page is stuck at 80% loading.
Cause
This behavior is seem because RUI client is not the default client.
Resolution
To use SSO feature with RUI - RUI has to be the default client.
Keywords
KBA , SRD-CC-FED , Feeds , How To
Product
SAP Cloud for Customer add-ins all versions