I would like to discuss a task similar to “Small changes can add up to a different project.”

The source of the difficulty still needs clarifying.

Possible first output: A list of changes, constraints and decisions needed to update the plan.

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]