Flow price: --
18049259be7012f810e8c295e01c55eee0743ba118e9bc4140b9e4424b39aa86

Transaction

Hash: 18049259be7012f810e8c295e01c55eee0743ba118e9bc4140b9e4424b39aa86
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 18049259be7012f810e8c295e01c55eee0743ba118e9bc4140b9e4424b39aa86:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
18049259be7012f810e8c295e01c55eee0743ba118e9bc4140b9e4424b39aa86
Status:
ERROR
Block height:
40058169
Block id:
742459229b9cb1d1da6136cd2b06472362686f3df581929738197e1f061e9f61
Timestamp:
Monday 31 October 2022 at 17:05:22 UTC
()
Proposer:
Authorizers:
Gas used:
47