Error when execute checkDB in DB13

Dear Experts,

I encounter below error when try to execute Check DB in T-code;DB13

I try go to:

https://technet.microsoft.com/en-us/library/aa226369%28v=sql.80%29.aspx

But I do not really understand how to fix the error. Could you please give me advise?

BR,

Fadzly Iqbal