Singular: You have a license key for %1$s but the key is out of installs. %2$sVisit the Events Calendar website%3$s to manage your installs, upgrade your license, or purchase a new one.
Plural: You have license keys for %1$s but your keys are out of installs. %2$sVisit the Events Calendar website%3$s to manage your installs, upgrade your licenses, or purchase new ones.
Singular: You have a license key for %1$s but the key is out of installs. %2$sVisit the Events Calendar website%3$s to manage your installs, upgrade your license, or purchase a new one.You have a license key for %1$s but the key is out of installs. %2$sVisit the Events Calendar website%3$s to manage your installs, upgrade your license, or purchase a new one.
Plural: You have license keys for %1$s but your keys are out of installs. %2$sVisit the Events Calendar website%3$s to manage your installs, upgrade your licenses, or purchase new ones.You have license keys for %1$s but your keys are out of installs. %2$sVisit the Events Calendar website%3$s to manage your installs, upgrade your licenses, or purchase new ones.
This plural form is used for numbers like: 1, 21, 31