Flow price: --
d9746dd80777c1d80e3518beb425800455ca98f06eb66c232b3d946eee50973e

Transaction

Hash: d9746dd80777c1d80e3518beb425800455ca98f06eb66c232b3d946eee50973e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d9746dd80777c1d80e3518beb425800455ca98f06eb66c232b3d946eee50973e: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:
d9746dd80777c1d80e3518beb425800455ca98f06eb66c232b3d946eee50973e
Status:
ERROR
Block height:
40101334
Block id:
cc4809968527d24a3b6c0c3188e5968c3304327511b3f12294e820c8ebe6aca1
Timestamp:
Tuesday 1 November 2022 at 10:27:22 UTC
()
Proposer:
Authorizers:
Gas used:
47