Flow price: --
dfd7542f0bd769b34e73a17b75dea21a9386a004ca58c5e0061c21ce92b7ffd9

Transaction

Hash: dfd7542f0bd769b34e73a17b75dea21a9386a004ca58c5e0061c21ce92b7ffd9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> dfd7542f0bd769b34e73a17b75dea21a9386a004ca58c5e0061c21ce92b7ffd9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
dfd7542f0bd769b34e73a17b75dea21a9386a004ca58c5e0061c21ce92b7ffd9
Status:
ERROR
Block height:
40159310
Block id:
96d15599f4177e01e26de7f5e17988e1f601442469ed0d1d462e2ca6b5fd015e
Timestamp:
Wednesday 2 November 2022 at 10:01:35 UTC
()
Proposer:
Authorizers:
Gas used:
50