Flow price: --
bc4f20270d46f85db3388b324fa56c217902faa94f041f217e7b8e31b4015918

Transaction

Hash: bc4f20270d46f85db3388b324fa56c217902faa94f041f217e7b8e31b4015918
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bc4f20270d46f85db3388b324fa56c217902faa94f041f217e7b8e31b4015918:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bc4f20270d46f85db3388b324fa56c217902faa94f041f217e7b8e31b4015918
Status:
ERROR
Block height:
40149709
Block id:
335e647a2cd420ce695d43bc9f862b077e15639f7b6d12697de88e6e2bc5376c
Timestamp:
Wednesday 2 November 2022 at 06:07:02 UTC
()
Proposer:
Authorizers:
Gas used:
51