Flow price: --
f9683ed4398b3a8732166c4c4747c47fa7e75451187fcf38257243a0cec71954

Transaction

Hash: f9683ed4398b3a8732166c4c4747c47fa7e75451187fcf38257243a0cec71954
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f9683ed4398b3a8732166c4c4747c47fa7e75451187fcf38257243a0cec71954:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f9683ed4398b3a8732166c4c4747c47fa7e75451187fcf38257243a0cec71954
Status:
ERROR
Block height:
40169846
Block id:
aa72e47b398e23c0fe9e50a1f31e3e3eb069011433f3825b3b5d70b8d4fa0094
Timestamp:
Wednesday 2 November 2022 at 14:16:51 UTC
()
Proposer:
Authorizers:
Gas used:
50