Flow price: --
3171bc56ba8d8551f97bf99d9e4f989d42e61b8cdc2ed4761f43ac24e9691502

Transaction

Hash: 3171bc56ba8d8551f97bf99d9e4f989d42e61b8cdc2ed4761f43ac24e9691502
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:
  --> 3171bc56ba8d8551f97bf99d9e4f989d42e61b8cdc2ed4761f43ac24e9691502:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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


Hash:
3171bc56ba8d8551f97bf99d9e4f989d42e61b8cdc2ed4761f43ac24e9691502
Status:
ERROR
Block height:
40640226
Block id:
fff1f1f51f8de1c67d6fa5352943eeef773deedbd08e35b8649d021c7228171a
Timestamp:
Thursday 10 November 2022 at 11:41:12 UTC
()
Proposer:
Authorizers:
Gas used:
24