I also get the same error masternode-message.
[Error : could not allocate vin for collateralAddress]
debug.log is ..
init message: 隱ュ縺ソ霎シ縺ソ螳御コ・
CActiveMasternode::GetMasterNodeVinForPubKey - Could not locate specified vin from possible list
Register::Register() - Error: could not allocate vin for collateralAddress
You generate masternode key?
masternode genkey
mastermode key?
[Add/Edit Mastermodes Node]
"A mastermode private key and collateral address will both be automatically generated for you"
I sent 5000XCXT to Collateral Address. (MyWallet address to Masternodes address)