Flow price: --
e58c278da245665f05080308db62c36f61728928f5d616af9da5a0f69fa9b8a7

Transaction

Hash: e58c278da245665f05080308db62c36f61728928f5d616af9da5a0f69fa9b8a7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e58c278da245665f05080308db62c36f61728928f5d616af9da5a0f69fa9b8a7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e58c278da245665f05080308db62c36f61728928f5d616af9da5a0f69fa9b8a7
Status:
ERROR
Block height:
40083667
Block id:
117246c59b40bc7b04f7e4efbd273c6bb14a2233ed8b787b35c51a6bcf5ca8e1
Timestamp:
Tuesday 1 November 2022 at 03:16:40 UTC
()
Proposer:
Authorizers:
Gas used:
49