Fighter character sheet wildly overstating to-hit

Wondering if anyone else has seen this bug and how to fix it. I have a battlemaster fighter for a high-level game and for some reason whenever I equip a weapon of any kind, it's showing my to-hit for that weapon higher than it should be based on Strength and Proficiency. https://www.dndbeyond.com/characters/161119809 It's very frustrating - I'm equipping perfectly mundane weapons and it's giving me a to-hit about 7 points higher. Any ideas?

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Do you have any homebrew stuff on the character? It's likely this comes from a misuse of the homebrew modifier "melee weapon attacks" on a magic item.