Flow price: --
8a978f112d2ef61db6dd2509943178ce8d4cb9e1e8f1bf3e50ed69f638b81fcf

Transaction

Hash: 8a978f112d2ef61db6dd2509943178ce8d4cb9e1e8f1bf3e50ed69f638b81fcf
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8a978f112d2ef61db6dd2509943178ce8d4cb9e1e8f1bf3e50ed69f638b81fcf: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:
8a978f112d2ef61db6dd2509943178ce8d4cb9e1e8f1bf3e50ed69f638b81fcf
Status:
ERROR
Block height:
40037504
Block id:
7168c2120e236e1ee2b2fd32238557e090e46efebbe896810ad9b10a9d4cd936
Timestamp:
Monday 31 October 2022 at 08:43:11 UTC
()
Proposer:
Authorizers:
Gas used:
47