These Haitian coins have both the Gregorian and Haitian Republican dates on them, so I think the ones listing the date as Haitian Republican should be changed to Gregorian:
https://en.numista.com/catalogue/pieces28716.html
https://en.numista.com/catalogue/pieces28715.html
https://en.numista.com/catalogue/pieces38032.html
https://en.numista.com/catalogue/pieces38035.html
https://en.numista.com/catalogue/pieces38033.html
https://en.numista.com/catalogue/pieces38031.html
https://en.numista.com/catalogue/pieces4876.html
https://en.numista.com/catalogue/pieces9742.html
https://en.numista.com/catalogue/pieces120491.html
https://en.numista.com/catalogue/pieces38030.html
https://en.numista.com/catalogue/pieces11453.html
https://en.numista.com/catalogue/pieces26479.html
https://en.numista.com/catalogue/pieces13474.html
https://en.numista.com/catalogue/pieces5765.html
Conversely, these coins need to have their Gregorian dates made into Haitian Republican:
https://en.numista.com/catalogue/pieces28717.html
https://en.numista.com/catalogue/pieces28721.html
I'm not sure why I can't change the dates even after I click "Check this Year List as not Complete".