Awww you are so cute in your questions
No, you Will be able to move normaly.
normally.
What will happen is that you won't be able to pick up anything else. When you travel with money of your backpack you will probably drop some gps in the floor behind you. And when you pot yourself the empty vials will drop in the floor.
DO NOT put anything on the floor, you won't be able to pick them back
To have positive capacity again you will have to sell/deposit enough items, the equivalents to the extra capacity that the imbuement gave to you