Flow price: --
9862c80be9cc34840ed64129380e0f2ccac738af246425682cfdb4f2b7f4baca

Transaction

Hash: 9862c80be9cc34840ed64129380e0f2ccac738af246425682cfdb4f2b7f4baca
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9862c80be9cc34840ed64129380e0f2ccac738af246425682cfdb4f2b7f4baca: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:
9862c80be9cc34840ed64129380e0f2ccac738af246425682cfdb4f2b7f4baca
Status:
ERROR
Block height:
39850903
Block id:
ec15ab98f916f6f5e3b45723e2242d34b85e5fa960dba3c564a82eefc9395cc7
Timestamp:
Friday 28 October 2022 at 06:07:37 UTC
()
Proposer:
Authorizers:
Gas used:
46