Flow price: --
a8e6124838ebf0a561ecbe3a6a6e7a615b3744de15addcabe8d9a3a7f008ee60

Transaction

Hash: a8e6124838ebf0a561ecbe3a6a6e7a615b3744de15addcabe8d9a3a7f008ee60
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a8e6124838ebf0a561ecbe3a6a6e7a615b3744de15addcabe8d9a3a7f008ee60:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a8e6124838ebf0a561ecbe3a6a6e7a615b3744de15addcabe8d9a3a7f008ee60
Status:
ERROR
Block height:
39866957
Block id:
e3279f295d6d252d63c99b93186fb377f65a267a5c4ad50d73bfced157b69727
Timestamp:
Friday 28 October 2022 at 12:36:16 UTC
()
Proposer:
Authorizers:
Gas used:
50