Flow price: --
b84717fbc0633491c7a4ecfabecde999b44b27665bf744fde75a8a53ab41ab18

Transaction

Hash: b84717fbc0633491c7a4ecfabecde999b44b27665bf744fde75a8a53ab41ab18
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b84717fbc0633491c7a4ecfabecde999b44b27665bf744fde75a8a53ab41ab18:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b84717fbc0633491c7a4ecfabecde999b44b27665bf744fde75a8a53ab41ab18
Status:
ERROR
Block height:
40061814
Block id:
2c3694aba130c4fd23273c2c626472b6158c38abc155ddc064c442142c85d162
Timestamp:
Monday 31 October 2022 at 18:33:24 UTC
()
Proposer:
Authorizers:
Gas used:
46