You're correct that this appears to be an error message. The Pro plan requirement for "CRM integrations" shouldn't apply to basic prospecting features, which are free on all plans.
However, certain advanced integrations and features do require Pro plan access. The specific claybook you're trying to use might be utilizing Pro-level functionality beyond basic list building.
Try using our built-in AI tool called Sculptor (available in the top-right corner) to help you set up a similar workflow that works with your current plan.
Since Sculptor didn't help and you're hitting a plan limitation, you'll need to upgrade to access this specific claybook feature or ask to speak with a human for alternative solutions.
Since you have a Starter plan, you should be able to access the LinkedIn Find Post Audience feature. The error message about needing a Pro plan for "CRM integrations" appears to be incorrect for this specific LinkedIn functionality.
Try refreshing your browser and attempting to connect your LinkedIn account again. If you're still seeing the same error, this appears to be a technical issue that needs human support to resolve.