Flow price: --
ac7fb2d627ada14a7824263d98fd18ec9d4a277fdf6c9587930db948b9865071

Transaction

Hash: ac7fb2d627ada14a7824263d98fd18ec9d4a277fdf6c9587930db948b9865071
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ac7fb2d627ada14a7824263d98fd18ec9d4a277fdf6c9587930db948b9865071:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ac7fb2d627ada14a7824263d98fd18ec9d4a277fdf6c9587930db948b9865071
Status:
ERROR
Block height:
39838560
Block id:
64bcb00de4a59c49be44a7a567d46e559a2ade646e27fa64e3020ea84efe377e
Timestamp:
Friday 28 October 2022 at 01:09:32 UTC
()
Proposer:
Authorizers:
Gas used:
47