Flow price: --
1a56e7069cd7c324fb4bd63e414583e3c480a12469176d01aa112ade4ed3ff88

Transaction

Hash: 1a56e7069cd7c324fb4bd63e414583e3c480a12469176d01aa112ade4ed3ff88
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1a56e7069cd7c324fb4bd63e414583e3c480a12469176d01aa112ade4ed3ff88:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1a56e7069cd7c324fb4bd63e414583e3c480a12469176d01aa112ade4ed3ff88
Status:
ERROR
Block height:
40029816
Block id:
8cf9be25d7c21504c2baea30685b4889b7a21aba8fcb1ab19aec3595a13ca014
Timestamp:
Monday 31 October 2022 at 05:38:56 UTC
()
Proposer:
Authorizers:
Gas used:
47