Flow price: --
5140e999fd9e8689286b51fad8d60e93f0494811c02795d36ae35ce11f0be6e5

Transaction

Hash: 5140e999fd9e8689286b51fad8d60e93f0494811c02795d36ae35ce11f0be6e5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5140e999fd9e8689286b51fad8d60e93f0494811c02795d36ae35ce11f0be6e5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5140e999fd9e8689286b51fad8d60e93f0494811c02795d36ae35ce11f0be6e5
Status:
ERROR
Block height:
39971141
Block id:
aee9992896c8a42f2dce3e43f33647aacaad30e3a6ec865712988adead9d2666
Timestamp:
Sunday 30 October 2022 at 06:13:13 UTC
()
Proposer:
Authorizers:
Gas used:
46