Flow price: --
61131b29a3902fa314fe171972d6dee33a83201f6f22025b908ed38dcd4cfffd

Transaction

Hash: 61131b29a3902fa314fe171972d6dee33a83201f6f22025b908ed38dcd4cfffd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 61131b29a3902fa314fe171972d6dee33a83201f6f22025b908ed38dcd4cfffd: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:
61131b29a3902fa314fe171972d6dee33a83201f6f22025b908ed38dcd4cfffd
Status:
ERROR
Block height:
40171581
Block id:
e6786ce794602c875e5ff7f0775d68cd8028ba4679b7bab9e76cc391f329256c
Timestamp:
Wednesday 2 November 2022 at 14:58:50 UTC
()
Proposer:
Authorizers:
Gas used:
48