Flow price: --
c8eeeacf9a5e759c3833fc5d5e51693e93e83cd9d220858f7d33cc17701d257b

Transaction

Hash: c8eeeacf9a5e759c3833fc5d5e51693e93e83cd9d220858f7d33cc17701d257b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c8eeeacf9a5e759c3833fc5d5e51693e93e83cd9d220858f7d33cc17701d257b: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:
c8eeeacf9a5e759c3833fc5d5e51693e93e83cd9d220858f7d33cc17701d257b
Status:
ERROR
Block height:
40029175
Block id:
542c46f6ed8b72d2fb46bd2fb9ef2c7908bd22567eb837faeff3ccc71f561aac
Timestamp:
Monday 31 October 2022 at 05:23:17 UTC
()
Proposer:
Authorizers:
Gas used:
50