Flow price: --
633ac1f0bf536fdbf5f5f0a19b1cc780ba0b3e71fcbd93bb788fd11b41d99f52

Transaction

Hash: 633ac1f0bf536fdbf5f5f0a19b1cc780ba0b3e71fcbd93bb788fd11b41d99f52
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 633ac1f0bf536fdbf5f5f0a19b1cc780ba0b3e71fcbd93bb788fd11b41d99f52:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
633ac1f0bf536fdbf5f5f0a19b1cc780ba0b3e71fcbd93bb788fd11b41d99f52
Status:
ERROR
Block height:
40134147
Block id:
0837f35bf61b2f3c2449fb760e74d976149daeb39bd4a4cdb1c91170d59f2190
Timestamp:
Tuesday 1 November 2022 at 23:48:20 UTC
()
Proposer:
Authorizers:
Gas used:
48