Transaction

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
error: assertion failed: Flow token is insufficient.
  --> 595d37f6d6f10231d6155c956f7839e30d466dcb6ec7c960a85ce3c739e5f1d9:17:8
   |
17 |         assert(self.host.availableBalance > openingBet, message: "Flow token is insufficient.")
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^