Noting capital required in financial turmoil causes disagreement (4)

I believe the answer is:

rift

I'm a little stuck... Click here to teach me more about this clue!

'disagreement' is the definition.
(I've seen this in other clues)

I don't understand the remainder of the clue.

(Other definitions for rift that I've seen before include "Schism (in the lute?)" , "Serious falling out" , "Break in relations; type of valley" , "(Serious) break (in good relations)" , "Fissure in something" .)

I've seen this clue in The Irish Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.