Flow price: --
de79a507922ccb7ecefbfde07e868739e6e6ffd6f909e7115e36087f2ec56f58

Transaction

Hash: de79a507922ccb7ecefbfde07e868739e6e6ffd6f909e7115e36087f2ec56f58
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> de79a507922ccb7ecefbfde07e868739e6e6ffd6f909e7115e36087f2ec56f58:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
de79a507922ccb7ecefbfde07e868739e6e6ffd6f909e7115e36087f2ec56f58
Status:
ERROR
Block height:
39732191
Block id:
3d6c0f0eb8a714890f54040f7d917a2461bfa81cea4c427a0f6cf37e2bdbf2c7
Timestamp:
Wednesday 26 October 2022 at 06:16:20 UTC
()
Proposer:
Authorizers:
Gas used:
66