Flow price: --
b4d2db10d714c3974ca143165c58ab3b18b89e0dcaa9b3dd9ea86b4f870e6292

Transaction

Hash: b4d2db10d714c3974ca143165c58ab3b18b89e0dcaa9b3dd9ea86b4f870e6292
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b4d2db10d714c3974ca143165c58ab3b18b89e0dcaa9b3dd9ea86b4f870e6292:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b4d2db10d714c3974ca143165c58ab3b18b89e0dcaa9b3dd9ea86b4f870e6292
Status:
ERROR
Block height:
40052004
Block id:
88f66469dc7a2ea5b77a2c1481557e8b04156c48d8d89fac8928504e536c3739
Timestamp:
Monday 31 October 2022 at 14:34:44 UTC
()
Proposer:
Authorizers:
Gas used:
50