Flow price: --
f64dd7230acb0a60d31f5d287574e0bc5971c10023a7fd7210d3cdfe2e4beffc

Transaction

Hash: f64dd7230acb0a60d31f5d287574e0bc5971c10023a7fd7210d3cdfe2e4beffc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f64dd7230acb0a60d31f5d287574e0bc5971c10023a7fd7210d3cdfe2e4beffc: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:
f64dd7230acb0a60d31f5d287574e0bc5971c10023a7fd7210d3cdfe2e4beffc
Status:
ERROR
Block height:
40035951
Block id:
d7249faf83cb39b38a7b4407fffe4bc023303a1e9be37fc6a2e004b784573c4b
Timestamp:
Monday 31 October 2022 at 08:06:16 UTC
()
Proposer:
Authorizers:
Gas used:
50