Flow price: --
479a9a93f80bb9e68d0b59c464377e62aae5f89469cc8bcc188266c6da31b027

Transaction

Hash: 479a9a93f80bb9e68d0b59c464377e62aae5f89469cc8bcc188266c6da31b027
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 479a9a93f80bb9e68d0b59c464377e62aae5f89469cc8bcc188266c6da31b027:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
479a9a93f80bb9e68d0b59c464377e62aae5f89469cc8bcc188266c6da31b027
Status:
ERROR
Block height:
39876480
Block id:
23524942d3c5213e573df380376f856a3cf0b7c37510e2f45635bfb8d5e57022
Timestamp:
Friday 28 October 2022 at 16:25:03 UTC
()
Proposer:
Authorizers:
Gas used:
48