Flow price: --
a2841594f0c02b02d06265353a303fdb642cda98d9061af9e0b9a5fea31a23ee

Transaction

Hash: a2841594f0c02b02d06265353a303fdb642cda98d9061af9e0b9a5fea31a23ee
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a2841594f0c02b02d06265353a303fdb642cda98d9061af9e0b9a5fea31a23ee: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:
a2841594f0c02b02d06265353a303fdb642cda98d9061af9e0b9a5fea31a23ee
Status:
ERROR
Block height:
40119686
Block id:
9c2e7d0aab29240eb44c4bd98a9ee90940aedce523348036395bf8570ef4b61c
Timestamp:
Tuesday 1 November 2022 at 17:53:39 UTC
()
Proposer:
Authorizers:
Gas used:
46