Flow price: --
f9141ebd5642348796415c6680da5d7d45d906a457560f66dfe4bf64be2afa38

Transaction

Hash: f9141ebd5642348796415c6680da5d7d45d906a457560f66dfe4bf64be2afa38
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f9141ebd5642348796415c6680da5d7d45d906a457560f66dfe4bf64be2afa38:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f9141ebd5642348796415c6680da5d7d45d906a457560f66dfe4bf64be2afa38
Status:
ERROR
Block height:
40054597
Block id:
4cc7c531f9238aa4543b7d0497b4f844bb04d8d8d68273a368956d26b4200a93
Timestamp:
Monday 31 October 2022 at 15:37:51 UTC
()
Proposer:
Authorizers:
Gas used:
47