id message FILE_MIGRATE_X The file to be accessed is currently stored in DC{x} NETWORK_MIGRATE_X The source IP address is associated with DC{x} (for registration) PHONE_MIGRATE_X The phone number a user is trying to use for authorization is associated with DC{x} STATS_MIGRATE_X The statistics of the group/channel are stored in DC{x} USER_MIGRATE_X The user whose identity is being used to execute queries is associated with DC{x} (for registration)