Flow price: --
f62072b4d7a317e9e566bd3ffe70db135fe643b86f95450705b8fd20906c8eac

Transaction

Hash: f62072b4d7a317e9e566bd3ffe70db135fe643b86f95450705b8fd20906c8eac
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f62072b4d7a317e9e566bd3ffe70db135fe643b86f95450705b8fd20906c8eac: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:
f62072b4d7a317e9e566bd3ffe70db135fe643b86f95450705b8fd20906c8eac
Status:
ERROR
Block height:
39862116
Block id:
cec1048bb3ed5b0bbf05268509142e460892fd397101f6eaa6e37c4f94c81f31
Timestamp:
Friday 28 October 2022 at 10:39:44 UTC
()
Proposer:
Authorizers:
Gas used:
50