Flow price: --
4f3c20db8606d8eef6249a381791a955d6efd6216de0bc1f20e31d6cc60f7f27

Transaction

Hash: 4f3c20db8606d8eef6249a381791a955d6efd6216de0bc1f20e31d6cc60f7f27
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4f3c20db8606d8eef6249a381791a955d6efd6216de0bc1f20e31d6cc60f7f27:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4f3c20db8606d8eef6249a381791a955d6efd6216de0bc1f20e31d6cc60f7f27
Status:
ERROR
Block height:
40041627
Block id:
831eccb9443a74d967ccd978ff0803939c64848497ca186fb1c340ac295285ca
Timestamp:
Monday 31 October 2022 at 10:23:46 UTC
()
Proposer:
Authorizers:
Gas used:
47