Flow price: --
fdf0dc23e53c6d98e839e10868d23e8c0de10430358777d5e24dd9566fd4430f

Transaction

Hash: fdf0dc23e53c6d98e839e10868d23e8c0de10430358777d5e24dd9566fd4430f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> fdf0dc23e53c6d98e839e10868d23e8c0de10430358777d5e24dd9566fd4430f: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:
fdf0dc23e53c6d98e839e10868d23e8c0de10430358777d5e24dd9566fd4430f
Status:
ERROR
Block height:
40110103
Block id:
89a842b865c2af59c10464b4ce3336b855be06a3bdad863bfeeccc388223fb91
Timestamp:
Tuesday 1 November 2022 at 14:00:25 UTC
()
Proposer:
Authorizers:
Gas used:
48