Flow price: --
8e737b1d3ca0ede428cc7ca51333224717061b6c2e646bd0a53e2fa2810801d2

Transaction

Hash: 8e737b1d3ca0ede428cc7ca51333224717061b6c2e646bd0a53e2fa2810801d2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8e737b1d3ca0ede428cc7ca51333224717061b6c2e646bd0a53e2fa2810801d2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8e737b1d3ca0ede428cc7ca51333224717061b6c2e646bd0a53e2fa2810801d2
Status:
ERROR
Block height:
39866961
Block id:
a124ab93b328da60819854214f0eaa0cb0423cb1bd02870037e2125a7f6b9315
Timestamp:
Friday 28 October 2022 at 12:36:21 UTC
()
Proposer:
Authorizers:
Gas used:
49