Flow price: --
f040c90d78defe0a2aa504c3a7ca782f1c9d32172169cd88bd2d3750090ee84c

Transaction

Hash: f040c90d78defe0a2aa504c3a7ca782f1c9d32172169cd88bd2d3750090ee84c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f040c90d78defe0a2aa504c3a7ca782f1c9d32172169cd88bd2d3750090ee84c: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:
f040c90d78defe0a2aa504c3a7ca782f1c9d32172169cd88bd2d3750090ee84c
Status:
ERROR
Block height:
40143668
Block id:
36d6ce14ae2db76252084704503909da18740d41994c55539598624a7ff6e221
Timestamp:
Wednesday 2 November 2022 at 03:39:40 UTC
()
Proposer:
Authorizers:
Gas used:
47