First you need to upgrade your firmware its dated, use the latest LONG version of firmware for best results.
Then read this link which shows vlan1 does not need to be identified as it already exists by default.
No one creates and uses vlan1 as a traditional vlan.
Read this excellent link…
http://forum.mikrotik.com/t/using-routeros-to-vlan-your-network/126489/1