Flow price: --
b2ad972f6ba285da219e9d9f539a16a9490e212d850bbb9c8c2ea43159e798b1

Transaction

Hash: b2ad972f6ba285da219e9d9f539a16a9490e212d850bbb9c8c2ea43159e798b1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b2ad972f6ba285da219e9d9f539a16a9490e212d850bbb9c8c2ea43159e798b1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b2ad972f6ba285da219e9d9f539a16a9490e212d850bbb9c8c2ea43159e798b1
Status:
ERROR
Block height:
40050199
Block id:
ca93f6277c63042e91f1f10ceb7df612f43c49240def81a017917e0fd69f69b8
Timestamp:
Monday 31 October 2022 at 13:50:42 UTC
()
Proposer:
Authorizers:
Gas used:
47