Flow price: --
4baca8b474d91130b63c995e4c0b348fcfcd84e847c839d2a029a7839d697071

Transaction

Hash: 4baca8b474d91130b63c995e4c0b348fcfcd84e847c839d2a029a7839d697071
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4baca8b474d91130b63c995e4c0b348fcfcd84e847c839d2a029a7839d697071:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4baca8b474d91130b63c995e4c0b348fcfcd84e847c839d2a029a7839d697071
Status:
ERROR
Block height:
40155008
Block id:
a48662d00817dee13cd227a760ce96742f7ac9bcd19576518ab86c7ba19c09d4
Timestamp:
Wednesday 2 November 2022 at 08:16:53 UTC
()
Proposer:
Authorizers:
Gas used:
46