That is a calling dependent tool. Has your calling changed?
Have you tried going to "All Tools" and seeing if it's listed there? The main tools list frequently gets changed and it's so long it may have been dropped from the top-level menu.
Have you searched the
Help Center? Try doing a Google search and adding "site:churchofjesuschrist.org/help" to the search criteria.
So we can better help you, please edit your
Profile to include your general location.