Flow price: --
54bc0f5e08bbb42acb8229d5fc45f0bf5a0092460c8ded1e42b2f6ad06eb0371

Transaction

Hash: 54bc0f5e08bbb42acb8229d5fc45f0bf5a0092460c8ded1e42b2f6ad06eb0371
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 54bc0f5e08bbb42acb8229d5fc45f0bf5a0092460c8ded1e42b2f6ad06eb0371:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
54bc0f5e08bbb42acb8229d5fc45f0bf5a0092460c8ded1e42b2f6ad06eb0371
Status:
ERROR
Block height:
40127863
Block id:
a6b402baaf91f5016afc48fa1729d01a8f4fb9929f53722f4f6d82ecc2cb99db
Timestamp:
Tuesday 1 November 2022 at 21:13:50 UTC
()
Proposer:
Authorizers:
Gas used:
47