Flow price: --
d8bd1c288c4bc7fb70b5c189afc5f52f65b3f50a966a36fefdd4ce554403cda2

Transaction

Hash: d8bd1c288c4bc7fb70b5c189afc5f52f65b3f50a966a36fefdd4ce554403cda2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d8bd1c288c4bc7fb70b5c189afc5f52f65b3f50a966a36fefdd4ce554403cda2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d8bd1c288c4bc7fb70b5c189afc5f52f65b3f50a966a36fefdd4ce554403cda2
Status:
ERROR
Block height:
40157806
Block id:
b5a8ce5f7ad234fb09ca7fe964ee784607cbab8df23974a0c31163c4bd3a70a6
Timestamp:
Wednesday 2 November 2022 at 09:24:56 UTC
()
Proposer:
Authorizers:
Gas used:
46