Flow price: --
b1c8de9a804000f5f9f825c19ef470cf4e792b4f5128599dc6bfc3765538043f

Transaction

Hash: b1c8de9a804000f5f9f825c19ef470cf4e792b4f5128599dc6bfc3765538043f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b1c8de9a804000f5f9f825c19ef470cf4e792b4f5128599dc6bfc3765538043f: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:
b1c8de9a804000f5f9f825c19ef470cf4e792b4f5128599dc6bfc3765538043f
Status:
ERROR
Block height:
40108572
Block id:
a2def556954ecf5a24a58be22f44ba98e57ef02f5e4b592386035ec5c219f3b2
Timestamp:
Tuesday 1 November 2022 at 13:23:15 UTC
()
Proposer:
Authorizers:
Gas used:
49