Flow price: --
b718904e231b527f1c6855ad629d5f400a1146d61b3b9faf371a97ee879d9e5c

Transaction

Hash: b718904e231b527f1c6855ad629d5f400a1146d61b3b9faf371a97ee879d9e5c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b718904e231b527f1c6855ad629d5f400a1146d61b3b9faf371a97ee879d9e5c: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:
b718904e231b527f1c6855ad629d5f400a1146d61b3b9faf371a97ee879d9e5c
Status:
ERROR
Block height:
40112446
Block id:
272734252f90f9ad4923b9fe48fa7d45bd53f14dd32ea7fac164a6e020560e83
Timestamp:
Tuesday 1 November 2022 at 14:57:25 UTC
()
Proposer:
Authorizers:
Gas used:
47