Flow price: --
83a291370a5c3b015b08ab53cb9b5aec085483bb96af101db4181f90adb2759c

Transaction

Hash: 83a291370a5c3b015b08ab53cb9b5aec085483bb96af101db4181f90adb2759c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 83a291370a5c3b015b08ab53cb9b5aec085483bb96af101db4181f90adb2759c: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:
83a291370a5c3b015b08ab53cb9b5aec085483bb96af101db4181f90adb2759c
Status:
ERROR
Block height:
39816892
Block id:
918dd70b2e9cc89e2a4921c01854b4ae1e2ca6d78cce22528121676c586c0fac
Timestamp:
Thursday 27 October 2022 at 16:24:23 UTC
()
Proposer:
Authorizers:
Gas used:
47