Hi all,
how can I transfer my GRX to Etherdelta ?

I had this error:

Contract 0x8d12a197cb00d4747a1fe03395095ce2a5cc6819 (etherdelta_2)  
 Warning! Error encountered during contract execution [Bad instruction]


Value: 0 Ether ($0.00)
Gas Limit: 250000 Gas
Used By Txn: 250000
Gas Price: 15 Gwei)



thanks