I would like to discuss a task similar to “The collaboration changed. Agree the next stage.”

A possible distinction: The purpose or parties’ interests have changed.

Possible first output: Partnership continuation options with consequences and questions for the parties.

I would like to check whether this first step fits our task and discuss terms for further work.

Our situation: [add details]
What we want to change: [add details]
What we have tried: [add details]