EDDH - taxi network missing

[helHorizon]

Are you on Xbox, Steam or Microsoft Store version?
Steam
Are you using Developer Mode or made changes in it?
No
Brief description of the issue:
In EDDH (Hamburg) the taxi network seems to be partly missing. Arriving planes taxi off the runway half way to the gates, stop and never reach the gates. At some point they just disappear. Also no departing planes spawn.
Provide Screenshot(s)/video(s) of the issue encountered:
n/a
Detailed steps to reproduce the issue encountered:
Load into EDDH and watch live traffic.
PC specs and/or peripheral set up if relevant:
not relevant