Flow price: --
08a31654493131c759ca0113d0400304b531f5ef0898f5408ba5a5a3e4d6e358

Transaction

Hash: 08a31654493131c759ca0113d0400304b531f5ef0898f5408ba5a5a3e4d6e358
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 08a31654493131c759ca0113d0400304b531f5ef0898f5408ba5a5a3e4d6e358:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
08a31654493131c759ca0113d0400304b531f5ef0898f5408ba5a5a3e4d6e358
Status:
ERROR
Block height:
39983728
Block id:
649f0597f73c59b8b1e255f8e61f5c409bfa659d10bacaf8402f94802566cf45
Timestamp:
Sunday 30 October 2022 at 11:14:41 UTC
()
Proposer:
Authorizers:
Gas used:
47