Flow price: --
1a192c92523e557ce4c8b356c3519e5976047ab0de8966701707a035758017a0

Transaction

Hash: 1a192c92523e557ce4c8b356c3519e5976047ab0de8966701707a035758017a0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1a192c92523e557ce4c8b356c3519e5976047ab0de8966701707a035758017a0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1a192c92523e557ce4c8b356c3519e5976047ab0de8966701707a035758017a0
Status:
ERROR
Block height:
40036714
Block id:
fb6ab0976c66b8ac2fc6d9f4e4ea32aabcb11e1ff1e46d18d9ae1e2f471cceda
Timestamp:
Monday 31 October 2022 at 08:24:34 UTC
()
Proposer:
Authorizers:
Gas used:
47