/deploy where nor /deploy commands recognize the environment you have defined in the .slashdeploy.yml file, make sure that the configuration file has been pushed to the GitHub's default branch. SlashDeploy syncs up configuration changes only from the default branch.checks listed in the .slashdeploy.yml file are not stuck in pending state in GitHub. Try to transition these checks to either success, failure, or error and your deployment will likely continue.default_channel or environment-specific channel to receive deployment notifications, but they are still sent as direct messages, make sure that you've invited @slashdeploy bot user to the respective channel. You can use Slack's internal command to do so:/invite @slashdeploy [channel]