Flow price: --
74f6598f07b63fc5805c41ce6be0f512e53c565e8c93b43f3091e1849afcf16d

Transaction

Hash: 74f6598f07b63fc5805c41ce6be0f512e53c565e8c93b43f3091e1849afcf16d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 74f6598f07b63fc5805c41ce6be0f512e53c565e8c93b43f3091e1849afcf16d: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:
74f6598f07b63fc5805c41ce6be0f512e53c565e8c93b43f3091e1849afcf16d
Status:
ERROR
Block height:
40140322
Block id:
6d961149e2e614a43e26dfced97bd41808696a7eedcb70e8c3052358dd00ba46
Timestamp:
Wednesday 2 November 2022 at 02:18:39 UTC
()
Proposer:
Authorizers:
Gas used:
46