Flow price: --
07b8b4bb6323a92be9a6852bc91026b9a88451826efc4f7f9b0fc396c5826370

Transaction

Hash: 07b8b4bb6323a92be9a6852bc91026b9a88451826efc4f7f9b0fc396c5826370
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 07b8b4bb6323a92be9a6852bc91026b9a88451826efc4f7f9b0fc396c5826370:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
07b8b4bb6323a92be9a6852bc91026b9a88451826efc4f7f9b0fc396c5826370
Status:
ERROR
Block height:
40030033
Block id:
1a9fc5e5eb896f3c6223a00db1e7152a5e9fbfabbe6cb51ab47a0d5764588c4a
Timestamp:
Monday 31 October 2022 at 05:44:03 UTC
()
Proposer:
Authorizers:
Gas used:
51