Flow price: --
c6ca73c06e53bc9dda09de88ae54ffd0ad5d7f22ccbd95dc3c6c98fbf9f64085

Transaction

Hash: c6ca73c06e53bc9dda09de88ae54ffd0ad5d7f22ccbd95dc3c6c98fbf9f64085
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c6ca73c06e53bc9dda09de88ae54ffd0ad5d7f22ccbd95dc3c6c98fbf9f64085:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c6ca73c06e53bc9dda09de88ae54ffd0ad5d7f22ccbd95dc3c6c98fbf9f64085
Status:
ERROR
Block height:
40060370
Block id:
cc9afd9bd723ad4ec09a0348831158e3146715a483891f39f7e6e6820b7136d6
Timestamp:
Monday 31 October 2022 at 17:58:25 UTC
()
Proposer:
Authorizers:
Gas used:
47