Flow price: --
7205ab23ac3a3efbe57c144f7a8a29aa4d75e88a9d923216c249fa8c104a1b8f

Transaction

Hash: 7205ab23ac3a3efbe57c144f7a8a29aa4d75e88a9d923216c249fa8c104a1b8f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7205ab23ac3a3efbe57c144f7a8a29aa4d75e88a9d923216c249fa8c104a1b8f: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:
7205ab23ac3a3efbe57c144f7a8a29aa4d75e88a9d923216c249fa8c104a1b8f
Status:
ERROR
Block height:
39911502
Block id:
d16c8f3137caf35427b0d464ccdbcd26141c8bd1e24502053fc6ac2714410ac9
Timestamp:
Saturday 29 October 2022 at 06:22:06 UTC
()
Proposer:
Authorizers:
Gas used:
46