Flow price: --
8d513a0537d6f214b77f25e0296ffdcd9bb7eb5bf5827af24197c7b37ea1e883

Transaction

Hash: 8d513a0537d6f214b77f25e0296ffdcd9bb7eb5bf5827af24197c7b37ea1e883
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8d513a0537d6f214b77f25e0296ffdcd9bb7eb5bf5827af24197c7b37ea1e883:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8d513a0537d6f214b77f25e0296ffdcd9bb7eb5bf5827af24197c7b37ea1e883
Status:
ERROR
Block height:
40166885
Block id:
9f7a08a4f5bcbbfd9b1783a51af2e01eeadb4ab26e5cad7f3f52382542949af1
Timestamp:
Wednesday 2 November 2022 at 13:04:50 UTC
()
Proposer:
Authorizers:
Gas used:
46