Flow price: --
420086142071c85a30e73ebd37b8ec70272a733c1ff808364f7d8e7a604b35b3

Transaction

Hash: 420086142071c85a30e73ebd37b8ec70272a733c1ff808364f7d8e7a604b35b3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 420086142071c85a30e73ebd37b8ec70272a733c1ff808364f7d8e7a604b35b3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
420086142071c85a30e73ebd37b8ec70272a733c1ff808364f7d8e7a604b35b3
Status:
ERROR
Block height:
40101279
Block id:
52f8bf65bd11a7b90ec8ab3f4cfebfeae28dd18544c935a458426daa46e46363
Timestamp:
Tuesday 1 November 2022 at 10:26:01 UTC
()
Proposer:
Authorizers:
Gas used:
46