I just to come back to using SAP and I just installing on local mode in my laptop
I already have installed DB and SAP too but in the moment that I want to login to SAP for first time throw me this message: Failed to connect to SLD

I seek in another sites how to solve this issue and do that steps, but the error still apearing, is the cause that I think If really this the problem or the problem is that SAP didnt found DB, because at the moment to cancel this action and find DB appears the next:

The DB is installed into SQL Express 2019 and I cant see it in that Server, could you help me??