Flow price: --
d05870f86858f1417da348b5a1fe9a60ff85579e2636883ffd30349857780565

Transaction

Hash: d05870f86858f1417da348b5a1fe9a60ff85579e2636883ffd30349857780565
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d05870f86858f1417da348b5a1fe9a60ff85579e2636883ffd30349857780565:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d05870f86858f1417da348b5a1fe9a60ff85579e2636883ffd30349857780565
Status:
ERROR
Block height:
40152934
Block id:
3214223b9103c0b2dac0d7417a541093a4563dc81a6152f5d7223e93f2310402
Timestamp:
Wednesday 2 November 2022 at 07:26:06 UTC
()
Proposer:
Authorizers:
Gas used:
49