Flow price: --
3579cc722dcb53f84a3e767ed0af2d135f750244b610b3dce95a3dccdf4b4554

Transaction

Hash: 3579cc722dcb53f84a3e767ed0af2d135f750244b610b3dce95a3dccdf4b4554
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3579cc722dcb53f84a3e767ed0af2d135f750244b610b3dce95a3dccdf4b4554:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3579cc722dcb53f84a3e767ed0af2d135f750244b610b3dce95a3dccdf4b4554
Status:
ERROR
Block height:
39861920
Block id:
8049fdeac7727be4d4015e6c7f7a75fc6339987ad8f427403b0157dc3a2f6f5a
Timestamp:
Friday 28 October 2022 at 10:35:14 UTC
()
Proposer:
Authorizers:
Gas used:
49