Coffe has lots of coffe grinds in it - Keurig B60 Coffee Maker

A common place for a leak under the machine is the barista seal that goes in the bottom of the boiler around that eject rod. Barista seal part number is MS5002202, Seals on the tamping piston are MS5002040 (there can be 1 or 2 of these piston seals) If fixing the leaks does not fix error 6 then I expect it will end up being the distributor. Part number MS2A01500

put in the coffe beans

If it doesn't grind , than there is no coffe , it will surely come as water .
Grind it first , and than brew the coffe .

Try adjusting the grind coarser.

Adjust the grind it is too fine.

Give the brew unit a good wash,then lube all the moving parts with food grade grease.
If you are able dismantle the brew unit and wash in warm soapy water,this removes coffee and any old lubricant.

Check the grind and then check the brew unit it might be blocked.

Remove the brew unit and check the shower screen in the unit. Clean shower, then adjust the grind about 2 numbers coarser and tyr again.

Have you checked the grind and or the level selector on the amount of coffee going into the chamber to make an espresso.

Hi
I am assuming your machine grinds, then clicks twice, then the brew drive starts but you never hear the pump.
If this is so? The there is a lever at the top center of the door on the right. Pull the lever back 1 click, and try again.