Flow price: --
b3bc54f0c9cd946a13e87d68e1b20b1099caf677bd973d3213320e4ccbe6e3c0

Transaction

Hash: b3bc54f0c9cd946a13e87d68e1b20b1099caf677bd973d3213320e4ccbe6e3c0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b3bc54f0c9cd946a13e87d68e1b20b1099caf677bd973d3213320e4ccbe6e3c0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b3bc54f0c9cd946a13e87d68e1b20b1099caf677bd973d3213320e4ccbe6e3c0
Status:
ERROR
Block height:
40129056
Block id:
4e413e4635f2a4e143b79328302ad54c962d8fb75ebe7af61c3efabd79fd1c17
Timestamp:
Tuesday 1 November 2022 at 21:42:55 UTC
()
Proposer:
Authorizers:
Gas used:
49