Flow price: --
515ef0f72c601e65e8e01b7d3f7232068bd261794a6c9831bc10a4d9649e5cd4

Transaction

Hash: 515ef0f72c601e65e8e01b7d3f7232068bd261794a6c9831bc10a4d9649e5cd4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 515ef0f72c601e65e8e01b7d3f7232068bd261794a6c9831bc10a4d9649e5cd4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
515ef0f72c601e65e8e01b7d3f7232068bd261794a6c9831bc10a4d9649e5cd4
Status:
ERROR
Block height:
40084360
Block id:
090fdfd715c7c54ee152a902dc37ceea61a6ea240782f931bc618302558d9086
Timestamp:
Tuesday 1 November 2022 at 03:33:33 UTC
()
Proposer:
Authorizers:
Gas used:
49