Flow price: --
b8cf4afc354cc6a2631a0395545e8e1f345ff2a1f4e8cd96f7c3f7cd8e66f988

Transaction

Hash: b8cf4afc354cc6a2631a0395545e8e1f345ff2a1f4e8cd96f7c3f7cd8e66f988
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b8cf4afc354cc6a2631a0395545e8e1f345ff2a1f4e8cd96f7c3f7cd8e66f988:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b8cf4afc354cc6a2631a0395545e8e1f345ff2a1f4e8cd96f7c3f7cd8e66f988
Status:
ERROR
Block height:
40034789
Block id:
807bd90bcd5dbaf0e4b348d0aeb6a8871ef82dfe248fc5223cf0fe0e84cf433c
Timestamp:
Monday 31 October 2022 at 07:38:41 UTC
()
Proposer:
Authorizers:
Gas used:
50