Flow price: --
d221e9aa6883abe8a23acc7f0b55660dc3f193afa5be70a3ee1d92ac601b5c16

Transaction

Hash: d221e9aa6883abe8a23acc7f0b55660dc3f193afa5be70a3ee1d92ac601b5c16
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d221e9aa6883abe8a23acc7f0b55660dc3f193afa5be70a3ee1d92ac601b5c16:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d221e9aa6883abe8a23acc7f0b55660dc3f193afa5be70a3ee1d92ac601b5c16
Status:
ERROR
Block height:
39994839
Block id:
ae045edbb3d5e77050002c811961b3c44632a5212a4aad7ccd72d055121e2e9e
Timestamp:
Sunday 30 October 2022 at 15:41:38 UTC
()
Proposer:
Authorizers:
Gas used:
49