Flow price: --
fed5258499a7c9797f69f7e25a81764eb9d8319f67510e6f93f6dd6121a6e356

Transaction

Hash: fed5258499a7c9797f69f7e25a81764eb9d8319f67510e6f93f6dd6121a6e356
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> fed5258499a7c9797f69f7e25a81764eb9d8319f67510e6f93f6dd6121a6e356:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
fed5258499a7c9797f69f7e25a81764eb9d8319f67510e6f93f6dd6121a6e356
Status:
ERROR
Block height:
39824571
Block id:
b7e8d01b09adb92cb8afd70158396cd805c1da0bf3d8594c43dc970baff62a45
Timestamp:
Thursday 27 October 2022 at 19:32:13 UTC
()
Proposer:
Authorizers:
Gas used:
47