Flow price: --
7819c4dc67d5a20e8884a7d004a4bb835700baa9a4a7c719456923df081eb694

Transaction

Hash: 7819c4dc67d5a20e8884a7d004a4bb835700baa9a4a7c719456923df081eb694
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7819c4dc67d5a20e8884a7d004a4bb835700baa9a4a7c719456923df081eb694:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7819c4dc67d5a20e8884a7d004a4bb835700baa9a4a7c719456923df081eb694
Status:
ERROR
Block height:
40166834
Block id:
e5752502eb79d4ab644607265a59665aa4d5825b3ab2004a0c8c84596543bc29
Timestamp:
Wednesday 2 November 2022 at 13:03:35 UTC
()
Proposer:
Authorizers:
Gas used:
47