Flow price: --
94a0970abea6e36d507b637de9cc3b4a3aac7aa42c714338cec33b1de8cdb587

Transaction

Hash: 94a0970abea6e36d507b637de9cc3b4a3aac7aa42c714338cec33b1de8cdb587
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 94a0970abea6e36d507b637de9cc3b4a3aac7aa42c714338cec33b1de8cdb587:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
94a0970abea6e36d507b637de9cc3b4a3aac7aa42c714338cec33b1de8cdb587
Status:
ERROR
Block height:
40079174
Block id:
fc9ff0a6560d15d209e0121257c2426f571655020617ba7dd4579540126097b1
Timestamp:
Tuesday 1 November 2022 at 01:27:44 UTC
()
Proposer:
Authorizers:
Gas used:
47