not able to copy data from one table to another in sql server

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SQL

i am using new installed sql server 2008

i am trying to copy data from one table to another..i wrote query like this;

insert into Clr select * from Color_tbl
but this is showing error like this:

Invalid object name 'Clr'.

what i have to do? i have change any setting?

I used to copy data from one table to another table like this: but i dont know what happend after installing new Sql server??

any help is very appriciable