Flow price: --
01bf755f64e8ea54919be8a6ef50e38a535dd32f14fed91d8dfa5aed0819c97e

Transaction

Hash: 01bf755f64e8ea54919be8a6ef50e38a535dd32f14fed91d8dfa5aed0819c97e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 01bf755f64e8ea54919be8a6ef50e38a535dd32f14fed91d8dfa5aed0819c97e: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:
01bf755f64e8ea54919be8a6ef50e38a535dd32f14fed91d8dfa5aed0819c97e
Status:
ERROR
Block height:
39966804
Block id:
5a4bedf1a6bd7ead7487a8ab6590051d8272d3a38ab8efc61ed3c43221bee754
Timestamp:
Sunday 30 October 2022 at 04:28:44 UTC
()
Proposer:
Authorizers:
Gas used:
47