Something is blocking it. There are several possibilies: The filter is "full", the pipe got bend (for some reason), much water is running in another tab, low pressure at the entrance, ""hard water" (biocarbonate) created some blockage (same stuff as in the kettle [scale]). Start by checking the filters.
also "aerator/screen" at faucet spout can be clogged and needs to be changed. another remote possibility can be a defective or warn flatened washer is blocking some of the flow.
Kitchen cabinet planning also entails that the drainage system is made strong and good.Therefore...just try checking back whether everything is ok that way.
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Other people asked questions on various topics, and are still waiting for answer. Would be great if you can take a sec and answer them