Flow price: --
f8d35d09d96b503a4dee802e127d20f2a2d348839173f76cb24bec1d96c977fd

Transaction

Hash: f8d35d09d96b503a4dee802e127d20f2a2d348839173f76cb24bec1d96c977fd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f8d35d09d96b503a4dee802e127d20f2a2d348839173f76cb24bec1d96c977fd: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:
f8d35d09d96b503a4dee802e127d20f2a2d348839173f76cb24bec1d96c977fd
Status:
ERROR
Block height:
39872322
Block id:
ab326337f5ec6413d7ebba56aee56bd24da4fba4a09f6cdffb40580f28c7310c
Timestamp:
Friday 28 October 2022 at 14:45:35 UTC
()
Proposer:
Authorizers:
Gas used:
50