No access to NetWeaver online demo anymore

Hi,

I've used the SAP NetWeaver online demo system since years to showcase data integration for sales. under:

https://sapes1.sapdevcenter.com/sap/opu/odata/IWFND/RMTSAMPLEFLIGHT/

But no access anymore since today. What are the best next steps to gain access again?

Thanks for help.

Regards, Frank