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When running a sendTransfer() on a testnet node (https://testnet140.tangle.works) I can attach without any problems. When I try to use a mainnet node (http://nodes.iota.fm:80) I get Invalid transaction hash.
Here is my call: iota.api.sendTransfer(seed, 3, 9, transferData, callback)
As I was writing this out I realized I might try changing the weight to 14 and that did it! Too bad the error wasn't a little more descriptive!
