Flow price: --
698a9436940e782694041e11d5f767c2d802d9b9e0ac73fed6f02628301e1779

Transaction

Hash: 698a9436940e782694041e11d5f767c2d802d9b9e0ac73fed6f02628301e1779
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 698a9436940e782694041e11d5f767c2d802d9b9e0ac73fed6f02628301e1779:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
698a9436940e782694041e11d5f767c2d802d9b9e0ac73fed6f02628301e1779
Status:
ERROR
Block height:
40099948
Block id:
4f5849c438ba8bbeac17b5d212c7b8c24a13e88404d69480118c22b791e87bb5
Timestamp:
Tuesday 1 November 2022 at 09:53:49 UTC
()
Proposer:
Authorizers:
Gas used:
47