Flow price: --
528d57c8fffebded178f2b80f1c74e48350e9fe6f1a4e1b29efbe5c197f0c954

Transaction

Hash: 528d57c8fffebded178f2b80f1c74e48350e9fe6f1a4e1b29efbe5c197f0c954
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 528d57c8fffebded178f2b80f1c74e48350e9fe6f1a4e1b29efbe5c197f0c954:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
528d57c8fffebded178f2b80f1c74e48350e9fe6f1a4e1b29efbe5c197f0c954
Status:
ERROR
Block height:
39800071
Block id:
b8fe3c44312008f9a2cee6120fa14063badff88c0a520a61ac8306becb0cbe45
Timestamp:
Thursday 27 October 2022 at 09:37:20 UTC
()
Proposer:
Authorizers:
Gas used:
48