Flow price: --
67ab86f486425a45a79b0cc71635daa51e82a3cb5630e1879adab8850081d069

Transaction

Hash: 67ab86f486425a45a79b0cc71635daa51e82a3cb5630e1879adab8850081d069
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 67ab86f486425a45a79b0cc71635daa51e82a3cb5630e1879adab8850081d069:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
67ab86f486425a45a79b0cc71635daa51e82a3cb5630e1879adab8850081d069
Status:
ERROR
Block height:
39962220
Block id:
bbee19b84b6af21f07a81718d38a707202838ead81460263d9ec79d87e3a5711
Timestamp:
Sunday 30 October 2022 at 02:38:44 UTC
()
Proposer:
Authorizers:
Gas used:
49