Flow price: --
647f6ffd9f72dda099ed91cc673b854ee5f38cfdd3323577eb86e9bae5e0fd94

Transaction

Hash: 647f6ffd9f72dda099ed91cc673b854ee5f38cfdd3323577eb86e9bae5e0fd94
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 647f6ffd9f72dda099ed91cc673b854ee5f38cfdd3323577eb86e9bae5e0fd94:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
647f6ffd9f72dda099ed91cc673b854ee5f38cfdd3323577eb86e9bae5e0fd94
Status:
ERROR
Block height:
39759964
Block id:
9df032d8acde6f63fc6a3a9c104387376cc925a7c86d9db4e7771a0c798ad662
Timestamp:
Wednesday 26 October 2022 at 17:27:38 UTC
()
Proposer:
Authorizers:
Gas used:
46