Flow price: --
4de5de4e8aa155a832b6e92cc62d23239cde8541e5935e5402aa7063591c3531

Transaction

Hash: 4de5de4e8aa155a832b6e92cc62d23239cde8541e5935e5402aa7063591c3531
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4de5de4e8aa155a832b6e92cc62d23239cde8541e5935e5402aa7063591c3531:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4de5de4e8aa155a832b6e92cc62d23239cde8541e5935e5402aa7063591c3531
Status:
ERROR
Block height:
39949456
Block id:
d8e87bd0543e87f7865c0a36bef2739e6bdfdef596922f43a621f143dd980af2
Timestamp:
Saturday 29 October 2022 at 21:37:04 UTC
()
Proposer:
Authorizers:
Gas used:
57