Flow price: --
4166afe963f3f0e6019e844483eec6f060d408c4ad83bf170047414b8923e750

Transaction

Hash: 4166afe963f3f0e6019e844483eec6f060d408c4ad83bf170047414b8923e750
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:
  --> 4166afe963f3f0e6019e844483eec6f060d408c4ad83bf170047414b8923e750:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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


Hash:
4166afe963f3f0e6019e844483eec6f060d408c4ad83bf170047414b8923e750
Status:
ERROR
Block height:
40672123
Block id:
a236e72e5bea87bbf0c08fec544c2851d81bbe0277a63bc3b6f520ce804e09c6
Timestamp:
Friday 11 November 2022 at 00:38:53 UTC
()
Proposer:
Authorizers:
Gas used:
23