Flow price: --
d599fd34d5dac1ef15a1235fce1ecfba66a4ad760958bf04a80e9e4309ed9dae

Transaction

Hash: d599fd34d5dac1ef15a1235fce1ecfba66a4ad760958bf04a80e9e4309ed9dae
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d599fd34d5dac1ef15a1235fce1ecfba66a4ad760958bf04a80e9e4309ed9dae: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:
d599fd34d5dac1ef15a1235fce1ecfba66a4ad760958bf04a80e9e4309ed9dae
Status:
ERROR
Block height:
40149583
Block id:
7be9f64aa15cadfe1051decdfa1d7c42a3bd225c3d42cae439db2d87e3439502
Timestamp:
Wednesday 2 November 2022 at 06:03:57 UTC
()
Proposer:
Authorizers:
Gas used:
50