Package seems to be not available. Any suggestion?
[InvalidArgumentException]
Could not find a matching version of package friendsoftypo3/headless_powermail. Check the package spelling, your version constraint and that the package is available in a stability which matches your minimum-stability (stable).
Package seems to be not available. Any suggestion?
[InvalidArgumentException]
Could not find a matching version of package friendsoftypo3/headless_powermail. Check the package spelling, your version constraint and that the package is available in a stability which matches your minimum-stability (stable).