Invest significant effort to ensure you are solving the right problem. Then make sure you actually understand the problem well. Likely, re-frame the problem to focus on the part that should be solved.... Only then move on to thinking about solutions.
The topics in the “Problem Canvas” tool can help and close this gap between traditional Design Thinking tools.
Use it after your problem-defining empathy tools but before discussing value propositions, e.g., before the Value Proposition Canvas.