Flow price: --
4241956324cf55a4acf8c46e5925ec65e0472bfb6868742a92cfafe91a291ef4

Transaction

Hash: 4241956324cf55a4acf8c46e5925ec65e0472bfb6868742a92cfafe91a291ef4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4241956324cf55a4acf8c46e5925ec65e0472bfb6868742a92cfafe91a291ef4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4241956324cf55a4acf8c46e5925ec65e0472bfb6868742a92cfafe91a291ef4
Status:
ERROR
Block height:
40047167
Block id:
e977db11ee8a815f1d8da3efc271159e663eb87b0221f76bfd7d408c92a41c78
Timestamp:
Monday 31 October 2022 at 12:37:43 UTC
()
Proposer:
Authorizers:
Gas used:
46