Flow price: --
c0070c59825cba90e4f6545e8a84781abdbf4e627fd3f9a7b6263f28820ae051

Transaction

Hash: c0070c59825cba90e4f6545e8a84781abdbf4e627fd3f9a7b6263f28820ae051
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c0070c59825cba90e4f6545e8a84781abdbf4e627fd3f9a7b6263f28820ae051:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c0070c59825cba90e4f6545e8a84781abdbf4e627fd3f9a7b6263f28820ae051
Status:
ERROR
Block height:
40038323
Block id:
a632210b3f0ef4bc75de1bd6f2946452c8f205af4f3d549bd1499543e80f6ce9
Timestamp:
Monday 31 October 2022 at 09:03:21 UTC
()
Proposer:
Authorizers:
Gas used:
49