RocketChat.Migrations.add({ version: 59, up() { const users = RocketChat.models.Users.find({}, { sort: { createdAt: 1 }, limit: 1 }).fetch(); if (users && users.length > 0) { const createdAt = users[0].createdAt; RocketChat.models.Settings.update({ createdAt: { $exists: 0 } }, { $set: { createdAt } }, { multi: true }); RocketChat.models.Statistics.update({ installedAt: { $exists: 0 } }, { $set: { installedAt: createdAt } }, { multi: true }); } } });