In October 2018, Fleetwood Mac guitarist Lindsey Buckingham sued the other members of Fleetwood Mac for kicking him out of the band. Buckingham stated that he wanted to and was still capable of playing with the band. Buckingham also claimed there had never been a written band agreement and that members of the group had the right to veto any major decision made by the band.

Buckingham's attorney wrote in part, "During the entire time Buckingham has been a member of Fleetwood Mac, the band has conducted itself as a partnership with each of the participating members having veto rights over band decision making and an equal share of the proceeds earned by Fleetwood Mac."

Reporting about the dispute can be found in numerous sources including:

Fleetwood Mac Guitarist Sues Bandmates for Kicking Him Out of the Group

Fleetwood Mac, Lindsey Buckingham Settle Lawsuit Over Dismissal From Band

How you would have settled this dispute?What would you add to a band contract to prevent an event like this? The original agreement cannot be legally enforced now (after the split).

https://www.hollywoodreporter.com/thr-esq/lindsey-buckingham-sues-bandmates-kicking-him-fleetwood-mac-1151779