Flow price: --
1c8f74d4a9f7956fc87b7542c3c8da0edcf008912a3057c7d321aee9c558e559

Transaction

Hash: 1c8f74d4a9f7956fc87b7542c3c8da0edcf008912a3057c7d321aee9c558e559
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1c8f74d4a9f7956fc87b7542c3c8da0edcf008912a3057c7d321aee9c558e559:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1c8f74d4a9f7956fc87b7542c3c8da0edcf008912a3057c7d321aee9c558e559
Status:
ERROR
Block height:
40051032
Block id:
bb42ac3da00b66deb90e7c36404f8f9b01ad9b70bfa848e95817848eae564e31
Timestamp:
Monday 31 October 2022 at 14:10:45 UTC
()
Proposer:
Authorizers:
Gas used:
47