Flow price: --
9231120199afbe83d514d89a7b91133837c3c22a5fb90e11e57ce37bd2eb41c5

Transaction

Hash: 9231120199afbe83d514d89a7b91133837c3c22a5fb90e11e57ce37bd2eb41c5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9231120199afbe83d514d89a7b91133837c3c22a5fb90e11e57ce37bd2eb41c5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9231120199afbe83d514d89a7b91133837c3c22a5fb90e11e57ce37bd2eb41c5
Status:
ERROR
Block height:
40148211
Block id:
4ee1414e93ffd2f47ebcb3788270688a04ef5267f26975a4b8a5cc70c7fb55bc
Timestamp:
Wednesday 2 November 2022 at 05:30:32 UTC
()
Proposer:
Authorizers:
Gas used:
50