The phrase "to require some planning" means that a particular task or activity needs prior consideration and organization before it can be successfully accomplished. Full definition
Note that making this vegan cashew cream is easy, but it does require some planning ahead since you will want to soak the cashews overnight. (godairyfree.org)
It definitely requires planning ahead and some serious speed - photography skills. (acozykitchen.com)
We don't require plans for recovery to be filed. (alephblog.com)