I believe that you have to make the field "story points" global to be mapped.
Go to custom fields, you will see story points, configure this as global and all issue type.
After that, you will be able to map your field to "story points".
@Jack Graves [AC] first caught our eye with his incredible breakdown of what, in his opinion, can make or break a Jira software implementation. (Read his thoughts on this thread)! In this follow...
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