RocketChat/Rocket.Chat

import { addMigration } from '../../lib/migrations';

// this was the first migration added on version 5.0.0, so if this needs to run,
// it means the server was never updated to 5.x, which is not supported.
addMigration({
    version: 266,
    async up() {
        throw new Error(
            [
                'UPGRADE NOT SUPPORTED!',
                '',
                `It seems you're trying to upgrade from an unsupported version!`,
                '',
                'To be able to update to version 6.0.x you need to update to version 5.x first.',
            ].join('\n'),
        );
    },
});