Flow price: --
889cb1864e1bf7bcdd87c3fe155c7c2241b790635696ec26f4e6495e10eba5a6

Transaction

Hash: 889cb1864e1bf7bcdd87c3fe155c7c2241b790635696ec26f4e6495e10eba5a6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 889cb1864e1bf7bcdd87c3fe155c7c2241b790635696ec26f4e6495e10eba5a6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
889cb1864e1bf7bcdd87c3fe155c7c2241b790635696ec26f4e6495e10eba5a6
Status:
ERROR
Block height:
40114466
Block id:
8149fb7b619adb51221a85f4479181de0d7b37985b4c1325fc9ea3406858cbb2
Timestamp:
Tuesday 1 November 2022 at 15:46:23 UTC
()
Proposer:
Authorizers:
Gas used:
46