Error: Adding two SolarEdge inverters on one Site - ID

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Hi,

I have two inverters from SolarEdge, a 4000H and a 5000H, one with a string of 8, the the other one with a string of 16 panels.
Added months back the first one with API key and Site ID.
Wanted to do the same the the new 5000, but the message that the SiteID is already in use.
Q: How to add both invertors with the same Site ID to HA?

Thanks, Marten