Flow price: --
a02552def00a818d8ec93f100660246d4f68daed59fcd009a562d21b8e7f1118

Transaction

Hash: a02552def00a818d8ec93f100660246d4f68daed59fcd009a562d21b8e7f1118
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a02552def00a818d8ec93f100660246d4f68daed59fcd009a562d21b8e7f1118:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a02552def00a818d8ec93f100660246d4f68daed59fcd009a562d21b8e7f1118
Status:
ERROR
Block height:
39928564
Block id:
79ee86a989dbc06e65927fe05454055b906f8d75de1e1f8372535baa235a2d3f
Timestamp:
Saturday 29 October 2022 at 13:14:32 UTC
()
Proposer:
Authorizers:
Gas used:
47