Flow price: --
b9f1d3d1534d94c3ef602a13194c6dc97f7fbec3d61a9a6b829b3b8bcb91dcc5

Transaction

Hash: b9f1d3d1534d94c3ef602a13194c6dc97f7fbec3d61a9a6b829b3b8bcb91dcc5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b9f1d3d1534d94c3ef602a13194c6dc97f7fbec3d61a9a6b829b3b8bcb91dcc5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b9f1d3d1534d94c3ef602a13194c6dc97f7fbec3d61a9a6b829b3b8bcb91dcc5
Status:
ERROR
Block height:
40014341
Block id:
4cdcdb372b11beaf2cf48cc6a5c40838864b1e1cc761d6bf455919b3931b36aa
Timestamp:
Sunday 30 October 2022 at 23:27:03 UTC
()
Proposer:
Authorizers:
Gas used:
47