Flow price: --
f882db24b6c01a6d05be294cd986f4cabd90dc449e1c92d33a402e4a61b6ad3c

Transaction

Hash: f882db24b6c01a6d05be294cd986f4cabd90dc449e1c92d33a402e4a61b6ad3c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f882db24b6c01a6d05be294cd986f4cabd90dc449e1c92d33a402e4a61b6ad3c: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:
f882db24b6c01a6d05be294cd986f4cabd90dc449e1c92d33a402e4a61b6ad3c
Status:
ERROR
Block height:
40129645
Block id:
2dcc495e31fc375106dce99ffec11eff0511516216ac0f1faa3eead0840b868d
Timestamp:
Tuesday 1 November 2022 at 21:57:50 UTC
()
Proposer:
Authorizers:
Gas used:
49