Flow price: --
0f575cd94a4319d5e51f4a0efba2f3e6e052108a3d272a13471e8b66fd8f7da4

Transaction

Hash: 0f575cd94a4319d5e51f4a0efba2f3e6e052108a3d272a13471e8b66fd8f7da4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0f575cd94a4319d5e51f4a0efba2f3e6e052108a3d272a13471e8b66fd8f7da4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
0f575cd94a4319d5e51f4a0efba2f3e6e052108a3d272a13471e8b66fd8f7da4
Status:
ERROR
Block height:
39744951
Block id:
4ecac2f192dd7dd7ef1e666dadadd7778e924f40a7fedfda6a1e74b9fe9228f4
Timestamp:
Wednesday 26 October 2022 at 11:25:30 UTC
()
Proposer:
Authorizers:
Gas used:
48