I tried, but that did not change anything. I tried from a different network and that fixed the problem. Apparently some firewall configuration blocked the traffic to the sanbdox for some reason. Thanks for your support.
Remark: I found out that a sandbox is automatically being created for me and shown (including the credentials) under https://graphacademy.neo4j.com/courses/cypher-fundamentals/?ref=certificationvisiting this sanbox directly (for me this is the link h...
@elaine_rosenber I am still stuck in that state, even after logging out several times (also in the sandbox page) as suggested in the answer above.I noticed that there is a loop of GET requests timing out (cf. attached screenshot).This also applies to...