Flow price: --
2712088c9a50e69b4c9369908f4e9b8c61485d34933535d3d6062bec0f12ecce

Transaction

Hash: 2712088c9a50e69b4c9369908f4e9b8c61485d34933535d3d6062bec0f12ecce
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2712088c9a50e69b4c9369908f4e9b8c61485d34933535d3d6062bec0f12ecce: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:
2712088c9a50e69b4c9369908f4e9b8c61485d34933535d3d6062bec0f12ecce
Status:
ERROR
Block height:
40041644
Block id:
99731b157a0b69537f8516bc227e61736afa7ab4012b0dabd4e5df837c77959f
Timestamp:
Monday 31 October 2022 at 10:24:11 UTC
()
Proposer:
Authorizers:
Gas used:
47