Apex 23.2 - Switch to Combination Chart Fails...
fix: build it new from the scratch

Databaseguy, Oracle Apex Lover
on my Cloud ADB i got this: Apex 23.2
Current Chart:

With this Settings..

Now i want to switch to a Combination Chart:
I got changes failed.. see details:

I press on the ! Sign and got:

Upps.. I swear there are no other users active.
Best wishes Tom.