Flow price: --
71ce16307017d64d82d742a9c59c9430a40e128bb6be0852d531cb635f33c73b

Transaction

Hash: 71ce16307017d64d82d742a9c59c9430a40e128bb6be0852d531cb635f33c73b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 71ce16307017d64d82d742a9c59c9430a40e128bb6be0852d531cb635f33c73b: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:
71ce16307017d64d82d742a9c59c9430a40e128bb6be0852d531cb635f33c73b
Status:
ERROR
Block height:
40036415
Block id:
38ba160e144eaf8cd2728e2eb2b9b23051a11540d329dadb250e74fe0b839629
Timestamp:
Monday 31 October 2022 at 08:17:28 UTC
()
Proposer:
Authorizers:
Gas used:
47