Flow price: --
b3702fceae669e9f531d9f4beb37433b73bf2b87adf9c9e31b0a912e8fded297

Transaction

Hash: b3702fceae669e9f531d9f4beb37433b73bf2b87adf9c9e31b0a912e8fded297
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b3702fceae669e9f531d9f4beb37433b73bf2b87adf9c9e31b0a912e8fded297:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b3702fceae669e9f531d9f4beb37433b73bf2b87adf9c9e31b0a912e8fded297
Status:
ERROR
Block height:
40097598
Block id:
e5ea44f9cc72fbb642c6d9d56750a42364e0c369d20789e46735faf8eb4605f5
Timestamp:
Tuesday 1 November 2022 at 08:56:51 UTC
()
Proposer:
Authorizers:
Gas used:
46