* "No me gusta": This means "I don't like".
* "Ni": This means "nor" or "neither".
To make a correct phrase, you need to add something after "ni" to indicate what you don't like. For example:
* "No me gusta ni el café ni el té." (I don't like coffee nor tea).
* "No me gusta ni la pizza ni los tacos." (I don't like pizza nor tacos).
The correct structure is "No me gusta ni [something] ni [something else]."