Try to restart the wallet.
I've already sent hundreds transactions cannabiscoin but I never had this problem.
Today i tried another transaction, but nothing happens:
Status: 0/unconfirmed
Date: 6.1.2017 09:08
To: bitt CS2adYi4V1ZXEFAQTrxznk1xE2iMPC3nJi
Debit: -17588.75418212 CANN
Net amount: -17588.75418212 CANN
Transaction ID: b2d022298afe20ac3bc634eb76f01d447553e4ed72dee9df0e8b25c27cdbda0f
Status: 0/unconfirmed
Date: 4.1.2017 12:50
To: bitt CS2adYi4V1ZXEFAQTrxznk1xE2iMPC3nJi
Debit: -16249.00 CANN
Net amount: -16249.00 CANN
Transaction ID: 5b45eaf0adc4b88cbca6a08f65e56e42efd02e1517d4834f526fa2d8dad93e74
Wallet is synced. I use canabisscoin.conf manually. Both transactions are unconfirmed.