Flow price: --
f45fdfc2d9a286a98649ea71461e9388dad1ec67d0cc0b57b76956f91c1b02dd

Transaction

Hash: f45fdfc2d9a286a98649ea71461e9388dad1ec67d0cc0b57b76956f91c1b02dd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f45fdfc2d9a286a98649ea71461e9388dad1ec67d0cc0b57b76956f91c1b02dd: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:
f45fdfc2d9a286a98649ea71461e9388dad1ec67d0cc0b57b76956f91c1b02dd
Status:
ERROR
Block height:
40167447
Block id:
e39d0a1fb30a11fd8ca5e107a6166b693289748809879f31155baae53b4aa255
Timestamp:
Wednesday 2 November 2022 at 13:18:39 UTC
()
Proposer:
Authorizers:
Gas used:
48