Your package require PHP >5.4 but on PHP5.6 is there a problem on type hinting.
The function setColor, addFactsText, addAction, addFacts, etc... require a "string" but on PHP <7 scalar types are not type-hintable and produce this error:
Catchable fatal error: Argument 1 passed to Sebbmyr\Teams\Cards\CustomCard::setColor() must be an instance of Sebbmyr\Teams\Cards\string, string given
Your package require PHP >5.4 but on PHP5.6 is there a problem on type hinting. The function setColor, addFactsText, addAction, addFacts, etc... require a "string" but on PHP <7 scalar types are not type-hintable and produce this error:
Catchable fatal error: Argument 1 passed to Sebbmyr\Teams\Cards\CustomCard::setColor() must be an instance of Sebbmyr\Teams\Cards\string, string given