Don't have Telegram yet? Try it now!
https://ajitpatra.com/2018/04/26/ssis-the-parameter-type-for-p1-cannot-be-uniquely-deduced-two-possibilities-are-sql_variant-and-xml/
SSIS: The parameter type for '@P1' cannot be uniquely deduced; two possibilities are 'sql_variant' and 'xml'