Flow price: --
e26463f3a589d9dcafde0d115585a910d1a0f302a8b0b4a77700adebd44cd868

Transaction

Hash: e26463f3a589d9dcafde0d115585a910d1a0f302a8b0b4a77700adebd44cd868
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e26463f3a589d9dcafde0d115585a910d1a0f302a8b0b4a77700adebd44cd868:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e26463f3a589d9dcafde0d115585a910d1a0f302a8b0b4a77700adebd44cd868
Status:
ERROR
Block height:
40030187
Block id:
ab0298fb606ad336753212bdd481d86cab84ffae1995292ec73a277436177bbf
Timestamp:
Monday 31 October 2022 at 05:47:47 UTC
()
Proposer:
Authorizers:
Gas used:
47