Flow price: --
d963b0980db30ce16134e1a35f461c3b725f5e01e863b713c188d56c583f8641

Transaction

Hash: d963b0980db30ce16134e1a35f461c3b725f5e01e863b713c188d56c583f8641
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d963b0980db30ce16134e1a35f461c3b725f5e01e863b713c188d56c583f8641:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d963b0980db30ce16134e1a35f461c3b725f5e01e863b713c188d56c583f8641
Status:
ERROR
Block height:
40110496
Block id:
1968bd34eb353917cea4d2a6f4c96e244e565ef8e2870b9aa6f01606eec1f979
Timestamp:
Tuesday 1 November 2022 at 14:10:04 UTC
()
Proposer:
Authorizers:
Gas used:
50