Flow price: --
d8ea7e488a6a09d0b84d95d387328bc080ea19e4a7fd8653b930fa1264a4519a

Transaction

Hash: d8ea7e488a6a09d0b84d95d387328bc080ea19e4a7fd8653b930fa1264a4519a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d8ea7e488a6a09d0b84d95d387328bc080ea19e4a7fd8653b930fa1264a4519a: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:
d8ea7e488a6a09d0b84d95d387328bc080ea19e4a7fd8653b930fa1264a4519a
Status:
ERROR
Block height:
40043819
Block id:
0454db2b9e84468f28535057b125f896ac444acfc248db179f8b27bb16eabaf9
Timestamp:
Monday 31 October 2022 at 11:16:48 UTC
()
Proposer:
Authorizers:
Gas used:
47