Flow price: --
31357832b51a0b93d0f3f3a2a3dccc49388333c596f6b7aca5a75e8282ec596f

Transaction

Hash: 31357832b51a0b93d0f3f3a2a3dccc49388333c596f6b7aca5a75e8282ec596f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 31357832b51a0b93d0f3f3a2a3dccc49388333c596f6b7aca5a75e8282ec596f: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:
31357832b51a0b93d0f3f3a2a3dccc49388333c596f6b7aca5a75e8282ec596f
Status:
ERROR
Block height:
40041447
Block id:
7741375a25bcbc0d03bda9da24a0bd0e9a1304be65968291c06228dfd6a191f7
Timestamp:
Monday 31 October 2022 at 10:19:28 UTC
()
Proposer:
Authorizers:
Gas used:
46