Flow price: --
4d89ec50f44ee58e46de5d17ed29836a85cf652a3ce3b5a38563b5b580cf5723

Transaction

Hash: 4d89ec50f44ee58e46de5d17ed29836a85cf652a3ce3b5a38563b5b580cf5723
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
  --> 4d89ec50f44ee58e46de5d17ed29836a85cf652a3ce3b5a38563b5b580cf5723:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:24


Hash:
4d89ec50f44ee58e46de5d17ed29836a85cf652a3ce3b5a38563b5b580cf5723
Status:
ERROR
Block height:
40565533
Block id:
964d63f149fa899c6b941ec7467b6fe2ab568591b2fa08e4c774fc23f09d5397
Timestamp:
Wednesday 9 November 2022 at 05:21:50 UTC
()
Proposer:
Authorizers:
Gas used:
21