Flow price: --
876f599369c9e9f65e4c20c1714b2ed13cf14a92f2a8c190c8f65e0d4544ebee

Transaction

Hash: 876f599369c9e9f65e4c20c1714b2ed13cf14a92f2a8c190c8f65e0d4544ebee
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
  --> 876f599369c9e9f65e4c20c1714b2ed13cf14a92f2a8c190c8f65e0d4544ebee:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:24


Hash:
876f599369c9e9f65e4c20c1714b2ed13cf14a92f2a8c190c8f65e0d4544ebee
Status:
ERROR
Block height:
41524238
Block id:
363b517d0fef071ebea13ea6dbf6cbc23f9b7ce9bc176329d86c4aa436d6c949
Timestamp:
Thursday 24 November 2022 at 22:53:21 UTC
()
Proposer:
Authorizers:
Gas used:
23