Flow price: --
538c9fa35b38dc1ba9a9aa295f846542309e783f6932f5f41222f2edf026d466

Transaction

Hash: 538c9fa35b38dc1ba9a9aa295f846542309e783f6932f5f41222f2edf026d466
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 538c9fa35b38dc1ba9a9aa295f846542309e783f6932f5f41222f2edf026d466:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
538c9fa35b38dc1ba9a9aa295f846542309e783f6932f5f41222f2edf026d466
Status:
ERROR
Block height:
40143697
Block id:
659dcdc75e3914cf4828f195e684f81f701b94a6c86be1762df84c186516da8d
Timestamp:
Wednesday 2 November 2022 at 03:40:23 UTC
()
Proposer:
Authorizers:
Gas used:
47