Flow price: --
282876bc9a1b6f17fe2b1ac6f704fd258a72da755e1c0353ba2b150c1a41d511

Transaction

Hash: 282876bc9a1b6f17fe2b1ac6f704fd258a72da755e1c0353ba2b150c1a41d511
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 282876bc9a1b6f17fe2b1ac6f704fd258a72da755e1c0353ba2b150c1a41d511:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
282876bc9a1b6f17fe2b1ac6f704fd258a72da755e1c0353ba2b150c1a41d511
Status:
ERROR
Block height:
39977229
Block id:
0765b13e0aef1b59c61607dadff8f78160a174fd367c0ed5fab22250701b07d3
Timestamp:
Sunday 30 October 2022 at 08:39:17 UTC
()
Proposer:
Authorizers:
Gas used:
50