Flow price: --
4c4e28398a46f6ebe0f00d8229cf899d64d854e36aba84a1d9b3430d8be614e3

Transaction

Hash: 4c4e28398a46f6ebe0f00d8229cf899d64d854e36aba84a1d9b3430d8be614e3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4c4e28398a46f6ebe0f00d8229cf899d64d854e36aba84a1d9b3430d8be614e3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4c4e28398a46f6ebe0f00d8229cf899d64d854e36aba84a1d9b3430d8be614e3
Status:
ERROR
Block height:
40056318
Block id:
62c68d0fb0e3b8289dfbacc7a087547990d7b2d38f97676f40820032d30543b3
Timestamp:
Monday 31 October 2022 at 16:20:03 UTC
()
Proposer:
Authorizers:
Gas used:
48