Flow price: --
1a6f3aaefd1529b19cb4508ee77caf0afca95f417161314c3af11dba2d745932

Transaction

Hash: 1a6f3aaefd1529b19cb4508ee77caf0afca95f417161314c3af11dba2d745932
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1a6f3aaefd1529b19cb4508ee77caf0afca95f417161314c3af11dba2d745932:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1a6f3aaefd1529b19cb4508ee77caf0afca95f417161314c3af11dba2d745932
Status:
ERROR
Block height:
40020965
Block id:
ed5337d9a59c509ae94b7bbfc56e292f803a637c42976597dcb3e7e40d8c4be5
Timestamp:
Monday 31 October 2022 at 02:05:17 UTC
()
Proposer:
Authorizers:
Gas used:
49