Flow price: --
86757be59ee60bbbf97d125ee9992cc2b3aa9a325bda6882c819731032f2634c

Transaction

Hash: 86757be59ee60bbbf97d125ee9992cc2b3aa9a325bda6882c819731032f2634c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 86757be59ee60bbbf97d125ee9992cc2b3aa9a325bda6882c819731032f2634c: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:
86757be59ee60bbbf97d125ee9992cc2b3aa9a325bda6882c819731032f2634c
Status:
ERROR
Block height:
40106742
Block id:
3ab710af713c301aac09337e6db8840a778881871e61c65c3d56df6e511c40e7
Timestamp:
Tuesday 1 November 2022 at 12:38:49 UTC
()
Proposer:
Authorizers:
Gas used:
50