token instance error

gistfile1.txt

> token.coinBalanceOf.call(eth.accounts[0])
to not valid, is required
    at InvalidResponse (<anonymous>:-59174:-42)
    at send (<anonymous>:-117082:-42)
    at call (<anonymous>:-105818:-42)
    at call (<anonymous>:-89654:-42)
    at <anonymous>:1:1

> token.coinBalanceOf.call()
to not valid, is required
    at InvalidResponse (<anonymous>:-59174:-27)
    at send (<anonymous>:-117082:-27)
    at call (<anonymous>:-105818:-27)
    at call (<anonymous>:-89654:-27)
    at <anonymous>:1:1

> token.coinBalanceOf.call()
to not valid, is required
    at InvalidResponse (<anonymous>:-59174:-27)
    at send (<anonymous>:-117082:-27)
    at call (<anonymous>:-105818:-27)
    at call (<anonymous>:-89654:-27)
    at <anonymous>:1:1

> token.coinBalanceOf.sendTransaction(eth.accounts[0])
could not decode, from not valid, is required
    at InvalidResponse (<anonymous>:-59174:-53)
    at send (<anonymous>:-117082:-53)
    at sendTransaction (<anonymous>:-105818:-53)
    at sendTransaction (<anonymous>:-90311:-53)
    at <anonymous>:1:1

> 
> token.coinBalanceOf.call({to:eth.accounts[0]})
new BigNumber() not a number: [object Object]
    at <unknown>
    at <unknown>
    at <unknown>
    at <unknown>
    at <unknown>
    at <unknown>
    at <unknown>
    at <unknown>
    at <unknown>
    at <unknown>
    at encodeParams (<anonymous>:-6173:-47)

>  token.coinBalanceOf.call({to:eth.accounts[0]})
new BigNumber() not a number: [object Object]
    at <unknown>
    at <unknown>
    at <unknown>
    at <unknown>
    at <unknown>
    at <unknown>
    at <unknown>
    at <unknown>
    at <unknown>
    at <unknown>
    at encodeParams (<anonymous>:-6173:-48)

>  token.coinBalanceOf.call(eth.accounts[1], {to:eth.accounts[0]})
to not valid, is required
    at InvalidResponse (<anonymous>:-59174:-65)
    at send (<anonymous>:-117082:-65)
    at call (<anonymous>:-105818:-65)
    at call (<anonymous>:-89654:-65)
    at <anonymous>:1:2

>  token.coinBalanceOf.call(eth.accounts[1], {from: eth.accounts[1], to:eth.accounts[0]})
to not valid, is required
    at InvalidResponse (<anonymous>:-59174:-88)
    at send (<anonymous>:-117082:-88)
    at call (<anonymous>:-105818:-88)
    at call (<anonymous>:-89654:-88)
    at <anonymous>:1:2

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