Flow price: --
1aada1aec9690e1d1022686544e4d6f02547b8660cb619617c3add95b0f2995e

Transaction

Hash: 1aada1aec9690e1d1022686544e4d6f02547b8660cb619617c3add95b0f2995e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1aada1aec9690e1d1022686544e4d6f02547b8660cb619617c3add95b0f2995e: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:
1aada1aec9690e1d1022686544e4d6f02547b8660cb619617c3add95b0f2995e
Status:
ERROR
Block height:
40039842
Block id:
5ab8fa084c1365b8f889c8911d0484ee05be09acbe3647870b35b3ec76b31dd8
Timestamp:
Monday 31 October 2022 at 09:40:23 UTC
()
Proposer:
Authorizers:
Gas used:
49