De Longhi fully trickles down

Hello together!
I don!
I don!
I don!
I don!
I am looking for help now in this forum!
Unzwar I have had a De Longhi magnifica S fully automatic machine for less than a year now, which I only fill with still Lidl water to avoid limescale damage.
Lately the coffee only trickles when it is drawn for coffee, so that a cup feels like it takes an eternity. The water outlet works perfectly.
Brew group was also cleaned every week, I really took care of the machine to avoid something like this and now I don't know what to do.
Can anyone help me?

The spout is blocked, clean with pipe cleaners, for example. And decalcify the machine. Lidl Water also has a lot of lime in it. It also says the most calcium is in it.

Great law, the 22100 from DeLonghi. Grin. Just had to be.

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KVA:WMF 800 ST: Lelit Bianca PL 162