Flow price: --
7c831ac7f8f3038b599b3d846781cd6256c5a422a51d5f1ffcb18d41d1f1f7e2

Transaction

Hash: 7c831ac7f8f3038b599b3d846781cd6256c5a422a51d5f1ffcb18d41d1f1f7e2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7c831ac7f8f3038b599b3d846781cd6256c5a422a51d5f1ffcb18d41d1f1f7e2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7c831ac7f8f3038b599b3d846781cd6256c5a422a51d5f1ffcb18d41d1f1f7e2
Status:
ERROR
Block height:
39741912
Block id:
78c03e4df98a7f90a72e6eeb9e9aff0bc08aa9d779f465027e1d5a1e41ec7bda
Timestamp:
Wednesday 26 October 2022 at 10:11:16 UTC
()
Proposer:
Authorizers:
Gas used:
50