Flow price: --
fb65be7b127310d18e3d69df5b7fa17459e43b47b6adbf99f74d53eca7e3d1f7

Transaction

Hash: fb65be7b127310d18e3d69df5b7fa17459e43b47b6adbf99f74d53eca7e3d1f7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> fb65be7b127310d18e3d69df5b7fa17459e43b47b6adbf99f74d53eca7e3d1f7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
fb65be7b127310d18e3d69df5b7fa17459e43b47b6adbf99f74d53eca7e3d1f7
Status:
ERROR
Block height:
39870829
Block id:
2659e8e026779c807a893a91c316c3cce573ff6152de5dc2ad387f64859c8220
Timestamp:
Friday 28 October 2022 at 14:09:51 UTC
()
Proposer:
Authorizers:
Gas used:
46