Transaction

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
  --> 548a06c138cf91d9a6c30b28a4a1040399dab53b06c1c8037af5546f285646af:27:4
   |
27 |     OverluPackage.purchasePackage(userCertificateCap: self.userCertificateCap, amount: count, feeToken: <- self.vault)
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: panic: [OverluErrorMsg:Vault receiver not set][OverluErrorCode:1]
   --> aa2c719e00ad4d6c.OverluPackage:494:69