Flow price: --
c706267260b31a8380772423d732035ee89f44f4a4be9c684cc828a21cdb4091

Transaction

Hash: c706267260b31a8380772423d732035ee89f44f4a4be9c684cc828a21cdb4091
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c706267260b31a8380772423d732035ee89f44f4a4be9c684cc828a21cdb4091:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c706267260b31a8380772423d732035ee89f44f4a4be9c684cc828a21cdb4091
Status:
ERROR
Block height:
40066221
Block id:
81ec02fd9787cfaba7684b3d8362accf3730c46012980cd2ab27166ffc0f32ab
Timestamp:
Monday 31 October 2022 at 20:19:55 UTC
()
Proposer:
Authorizers:
Gas used:
46