Flow price: --
7b8658d59a60a1d0140041657d6c836fe837ddb8d99e4a5ed5c57583220b1521

Transaction

Hash: 7b8658d59a60a1d0140041657d6c836fe837ddb8d99e4a5ed5c57583220b1521
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7b8658d59a60a1d0140041657d6c836fe837ddb8d99e4a5ed5c57583220b1521:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7b8658d59a60a1d0140041657d6c836fe837ddb8d99e4a5ed5c57583220b1521
Status:
ERROR
Block height:
39913811
Block id:
1698cf1bceaeff74c3ec8ef892bd2d7943e4d12ecca7927ac59cfdf562720905
Timestamp:
Saturday 29 October 2022 at 07:17:53 UTC
()
Proposer:
Authorizers:
Gas used:
49