Flow price: --
ccdfe65fe984f04db52bb3dcefc902e821182bff9eecd21e6f7b194abb13409f

Transaction

Hash: ccdfe65fe984f04db52bb3dcefc902e821182bff9eecd21e6f7b194abb13409f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ccdfe65fe984f04db52bb3dcefc902e821182bff9eecd21e6f7b194abb13409f: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:
ccdfe65fe984f04db52bb3dcefc902e821182bff9eecd21e6f7b194abb13409f
Status:
ERROR
Block height:
39872433
Block id:
efa5171645dfd0414a5b4966c64724820d7113a75ef6991bcaddc821a2d2fad1
Timestamp:
Friday 28 October 2022 at 14:48:17 UTC
()
Proposer:
Authorizers:
Gas used:
49