Flow price: --
a4ca770d8d8bc280b70b6f011e3e164d14d427b25c738ea26dee7cb72b184621

Transaction

Hash: a4ca770d8d8bc280b70b6f011e3e164d14d427b25c738ea26dee7cb72b184621
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a4ca770d8d8bc280b70b6f011e3e164d14d427b25c738ea26dee7cb72b184621:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a4ca770d8d8bc280b70b6f011e3e164d14d427b25c738ea26dee7cb72b184621
Status:
ERROR
Block height:
39813142
Block id:
85960b4cb35074eeffc45d28fef5fa5b4578e3908e93253b6ab4ac4ca50840d3
Timestamp:
Thursday 27 October 2022 at 14:53:50 UTC
()
Proposer:
Authorizers:
Gas used:
47