Flow price: --
a5a3d3b0228d23f62d0c8e3f4e45289be179ed7fc61dcad07e8fcba3a218c4be

Transaction

Hash: a5a3d3b0228d23f62d0c8e3f4e45289be179ed7fc61dcad07e8fcba3a218c4be
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a5a3d3b0228d23f62d0c8e3f4e45289be179ed7fc61dcad07e8fcba3a218c4be: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:
a5a3d3b0228d23f62d0c8e3f4e45289be179ed7fc61dcad07e8fcba3a218c4be
Status:
ERROR
Block height:
39800832
Block id:
0c172a97887d4dbd46892f02fe6f06e30a67c110f80110bc166280e88762d568
Timestamp:
Thursday 27 October 2022 at 09:55:34 UTC
()
Proposer:
Authorizers:
Gas used:
46