Flow price: --
a51ff804f1a168946ec7dd1c47511c9e9da9da03a7b47f5446a399298cc413a5

Transaction

Hash: a51ff804f1a168946ec7dd1c47511c9e9da9da03a7b47f5446a399298cc413a5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a51ff804f1a168946ec7dd1c47511c9e9da9da03a7b47f5446a399298cc413a5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a51ff804f1a168946ec7dd1c47511c9e9da9da03a7b47f5446a399298cc413a5
Status:
ERROR
Block height:
39866759
Block id:
bc9222094b61c9de4603df57aca06e0a3ea96001b43e0ed3dbbbb45e85f84bea
Timestamp:
Friday 28 October 2022 at 12:31:33 UTC
()
Proposer:
Authorizers:
Gas used:
48