Flow price: --
b308af2245427b760737882958d6b827bdf5465dc016e5178e85b05fb936ae40

Transaction

Hash: b308af2245427b760737882958d6b827bdf5465dc016e5178e85b05fb936ae40
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b308af2245427b760737882958d6b827bdf5465dc016e5178e85b05fb936ae40:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b308af2245427b760737882958d6b827bdf5465dc016e5178e85b05fb936ae40
Status:
ERROR
Block height:
40002305
Block id:
c55e0209d36905b61efa5028370ae7fa115fead7219445beeb6a69b09c1d708d
Timestamp:
Sunday 30 October 2022 at 18:41:41 UTC
()
Proposer:
Authorizers:
Gas used:
46