Flow price: --
fbbced25cf3dd29b35ba37b2516bebefb9cd82709e6d2ff1f8b7cc5fa7c4b3b2

Transaction

Hash: fbbced25cf3dd29b35ba37b2516bebefb9cd82709e6d2ff1f8b7cc5fa7c4b3b2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> fbbced25cf3dd29b35ba37b2516bebefb9cd82709e6d2ff1f8b7cc5fa7c4b3b2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
fbbced25cf3dd29b35ba37b2516bebefb9cd82709e6d2ff1f8b7cc5fa7c4b3b2
Status:
ERROR
Block height:
39751594
Block id:
79e9a29ac99d7791f9d74e5e6956c4ca8b71dd6ead1d0fe3e4dda845da079f09
Timestamp:
Wednesday 26 October 2022 at 14:05:07 UTC
()
Proposer:
Authorizers:
Gas used:
47