Flow price: --
9be1d7c41daf35525c3aced269c17985a630c2c9d93e07a117fd9dce5727288c

Transaction

Hash: 9be1d7c41daf35525c3aced269c17985a630c2c9d93e07a117fd9dce5727288c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9be1d7c41daf35525c3aced269c17985a630c2c9d93e07a117fd9dce5727288c: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:
9be1d7c41daf35525c3aced269c17985a630c2c9d93e07a117fd9dce5727288c
Status:
ERROR
Block height:
39763680
Block id:
b7a4fb4f930020e43f99acec297c778395c2029a89628a70c43a1ed441a600d2
Timestamp:
Wednesday 26 October 2022 at 18:57:58 UTC
()
Proposer:
Authorizers:
Gas used:
46