Flow price: --
551c29b14792f4f191f35e7314dc7109abb9d4eda1930b51864b56a594ac56e8

Transaction

Hash: 551c29b14792f4f191f35e7314dc7109abb9d4eda1930b51864b56a594ac56e8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 551c29b14792f4f191f35e7314dc7109abb9d4eda1930b51864b56a594ac56e8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
551c29b14792f4f191f35e7314dc7109abb9d4eda1930b51864b56a594ac56e8
Status:
ERROR
Block height:
40037254
Block id:
2d4cf372ef3c46ceaa8cdec57bbae04c6dab61ca621474af0d7a9a00eb380f8c
Timestamp:
Monday 31 October 2022 at 08:37:18 UTC
()
Proposer:
Authorizers:
Gas used:
48