Flow price: --
a31c7b8b06c60877edeb6512229a7be80c372f59c0cbaa5fec72e333fdc4bc9e

Transaction

Hash: a31c7b8b06c60877edeb6512229a7be80c372f59c0cbaa5fec72e333fdc4bc9e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a31c7b8b06c60877edeb6512229a7be80c372f59c0cbaa5fec72e333fdc4bc9e: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:
a31c7b8b06c60877edeb6512229a7be80c372f59c0cbaa5fec72e333fdc4bc9e
Status:
ERROR
Block height:
40032285
Block id:
a816bd91f1b8210edfa0fc635576cb37afbc722bfb4eca41d74b39d8992c0bd5
Timestamp:
Monday 31 October 2022 at 06:38:44 UTC
()
Proposer:
Authorizers:
Gas used:
48