Flow price: --
021b32558cc4ce75bde058b00a3552a864a744fc3739a1dc46dfe5647292913b

Transaction

Hash: 021b32558cc4ce75bde058b00a3552a864a744fc3739a1dc46dfe5647292913b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 021b32558cc4ce75bde058b00a3552a864a744fc3739a1dc46dfe5647292913b: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:
021b32558cc4ce75bde058b00a3552a864a744fc3739a1dc46dfe5647292913b
Status:
ERROR
Block height:
39738533
Block id:
1e821303a8c3d101044e8c3c7f04f952f5e1f75d04ea6a92093281cc9f908e91
Timestamp:
Wednesday 26 October 2022 at 08:49:09 UTC
()
Proposer:
Authorizers:
Gas used:
47