Flow price: --
fb73d89d4aa6e42c431b7b1100b6638fc286585867d6cf3266ab5d0a8e66204e

Transaction

Hash: fb73d89d4aa6e42c431b7b1100b6638fc286585867d6cf3266ab5d0a8e66204e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> fb73d89d4aa6e42c431b7b1100b6638fc286585867d6cf3266ab5d0a8e66204e: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:
fb73d89d4aa6e42c431b7b1100b6638fc286585867d6cf3266ab5d0a8e66204e
Status:
ERROR
Block height:
40043869
Block id:
abb03c9fc8962ab0cf20ea8669303947c624fa46481ef52cda22f4e6ccde0206
Timestamp:
Monday 31 October 2022 at 11:18:00 UTC
()
Proposer:
Authorizers:
Gas used:
46