Flow price: --
b3ef161a0f1eff681b5c56c88a4e19ed28d1dbd1c761a6afe1090405c4909553

Transaction

Hash: b3ef161a0f1eff681b5c56c88a4e19ed28d1dbd1c761a6afe1090405c4909553
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b3ef161a0f1eff681b5c56c88a4e19ed28d1dbd1c761a6afe1090405c4909553:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b3ef161a0f1eff681b5c56c88a4e19ed28d1dbd1c761a6afe1090405c4909553
Status:
ERROR
Block height:
40160544
Block id:
0825cffcb89e42316ecd98fc100a66a263dcb33755ec712f3ceb44806bdafde1
Timestamp:
Wednesday 2 November 2022 at 10:31:45 UTC
()
Proposer:
Authorizers:
Gas used:
47