Student Talk / It's phobia? I know how to plan, discuss and analyze any topic, but can't write anything [7]

Hello Dear friends)))
Im glad to be here and take participation in this wonderful forum!!! (this is my first essay forum)
Guys if its possible give some advice how to write an essay!! I know how to plan, discuss and analyse any topic. But when I take the pencil I forget about everythink. I think i have phobia!!!))))

Guys pls learn how to overcome my phobia?????
Thanks!!! Truly yours Outofmysight!!