Flow price: --
b9fcbccf795154c4a2ff844b89d9bbf9610bddc5cf3c8c33d19340675ac10f67

Transaction

Hash: b9fcbccf795154c4a2ff844b89d9bbf9610bddc5cf3c8c33d19340675ac10f67
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b9fcbccf795154c4a2ff844b89d9bbf9610bddc5cf3c8c33d19340675ac10f67:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b9fcbccf795154c4a2ff844b89d9bbf9610bddc5cf3c8c33d19340675ac10f67
Status:
ERROR
Block height:
39883112
Block id:
1b1c9fdb9b68ff72b2de12de0584c76b64c91d2760f3c572c0068effd20f7e70
Timestamp:
Friday 28 October 2022 at 19:04:07 UTC
()
Proposer:
Authorizers:
Gas used:
48