Flow price: --
f9c4f7fd4fe8b95e18f5a234870fc39872178d21a97f093be1a8363079733f76

Transaction

Hash: f9c4f7fd4fe8b95e18f5a234870fc39872178d21a97f093be1a8363079733f76
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f9c4f7fd4fe8b95e18f5a234870fc39872178d21a97f093be1a8363079733f76:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f9c4f7fd4fe8b95e18f5a234870fc39872178d21a97f093be1a8363079733f76
Status:
ERROR
Block height:
40032771
Block id:
b14527a694cdfccd968ebead50131a50edafecc95d4ed09ec31bddc99cbaf6eb
Timestamp:
Monday 31 October 2022 at 06:50:33 UTC
()
Proposer:
Authorizers:
Gas used:
47