Flow price: --
a8228cd6945c14059e798764fd537fbb63ecc364858a13f4fca4bfddf9aa9005

Transaction

Hash: a8228cd6945c14059e798764fd537fbb63ecc364858a13f4fca4bfddf9aa9005
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a8228cd6945c14059e798764fd537fbb63ecc364858a13f4fca4bfddf9aa9005:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a8228cd6945c14059e798764fd537fbb63ecc364858a13f4fca4bfddf9aa9005
Status:
ERROR
Block height:
39742133
Block id:
42575247987132a3bcd7b5521126359f6e3ca3638af0e1529fcba27f12ffc13a
Timestamp:
Wednesday 26 October 2022 at 10:16:47 UTC
()
Proposer:
Authorizers:
Gas used:
48