Flow price: --
607283e522ce18ad258b569feda53e73c79fad10a2f80390cd302012c8e990f5

Transaction

Hash: 607283e522ce18ad258b569feda53e73c79fad10a2f80390cd302012c8e990f5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 607283e522ce18ad258b569feda53e73c79fad10a2f80390cd302012c8e990f5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
607283e522ce18ad258b569feda53e73c79fad10a2f80390cd302012c8e990f5
Status:
ERROR
Block height:
39852736
Block id:
173278c09f57946462bc5d8caa6903a22c1ae1f7dd32a846b50a87eda74ed485
Timestamp:
Friday 28 October 2022 at 06:52:30 UTC
()
Proposer:
Authorizers:
Gas used:
48