Flow price: --
a131eb0165ed5474d5bdaffd4348010f72642a0097367e53f939a0b6c6f3e592

Transaction

Hash: a131eb0165ed5474d5bdaffd4348010f72642a0097367e53f939a0b6c6f3e592
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a131eb0165ed5474d5bdaffd4348010f72642a0097367e53f939a0b6c6f3e592:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a131eb0165ed5474d5bdaffd4348010f72642a0097367e53f939a0b6c6f3e592
Status:
ERROR
Block height:
40142998
Block id:
bd401e4b18c98296499400d021b42ca0fdf795a7cc475d5475ff4f9bca306207
Timestamp:
Wednesday 2 November 2022 at 03:23:19 UTC
()
Proposer:
Authorizers:
Gas used:
50