Flow price: --
b62c14d34a3ee2cc72bfed48511a523ce179d68566c115b8ba7d24b3e8bf1837

Transaction

Hash: b62c14d34a3ee2cc72bfed48511a523ce179d68566c115b8ba7d24b3e8bf1837
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b62c14d34a3ee2cc72bfed48511a523ce179d68566c115b8ba7d24b3e8bf1837:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b62c14d34a3ee2cc72bfed48511a523ce179d68566c115b8ba7d24b3e8bf1837
Status:
ERROR
Block height:
39935163
Block id:
0c3bdc76ce28ebf667932db7be9909274d2f1e94e2c7740d1b151467144aaa4b
Timestamp:
Saturday 29 October 2022 at 15:54:50 UTC
()
Proposer:
Authorizers:
Gas used:
48