Flow price: --
8a81835f13b610d3df537362b587d4836f669a73e8deac5a564d7a5a98ebf5f7

Transaction

Hash: 8a81835f13b610d3df537362b587d4836f669a73e8deac5a564d7a5a98ebf5f7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8a81835f13b610d3df537362b587d4836f669a73e8deac5a564d7a5a98ebf5f7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8a81835f13b610d3df537362b587d4836f669a73e8deac5a564d7a5a98ebf5f7
Status:
ERROR
Block height:
40148633
Block id:
9867689a14c16ccef33b34bc324396781a9e5fcd399b06929030998264971ad9
Timestamp:
Wednesday 2 November 2022 at 05:40:37 UTC
()
Proposer:
Authorizers:
Gas used:
47