Flow price: --
17b7fb57a41c8e9cc269449a1ae76043e8e2040977f36b815b1a76cc516a3010

Transaction

Hash: 17b7fb57a41c8e9cc269449a1ae76043e8e2040977f36b815b1a76cc516a3010
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 17b7fb57a41c8e9cc269449a1ae76043e8e2040977f36b815b1a76cc516a3010:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
17b7fb57a41c8e9cc269449a1ae76043e8e2040977f36b815b1a76cc516a3010
Status:
ERROR
Block height:
39759226
Block id:
69a98dfd4e9309dc3dc3b516f37eb5ab55082a7696bd07550816e508cfb88c55
Timestamp:
Wednesday 26 October 2022 at 17:09:33 UTC
()
Proposer:
Authorizers:
Gas used:
49