Flow price: --
eac8fb3bffee681cc6d59a2dabe971f5246e1e7a09ccb9d7c54a12d0d51f1431

Transaction

Hash: eac8fb3bffee681cc6d59a2dabe971f5246e1e7a09ccb9d7c54a12d0d51f1431
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> eac8fb3bffee681cc6d59a2dabe971f5246e1e7a09ccb9d7c54a12d0d51f1431:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
eac8fb3bffee681cc6d59a2dabe971f5246e1e7a09ccb9d7c54a12d0d51f1431
Status:
ERROR
Block height:
40170547
Block id:
aaf40b8cadbe29aa89376e48722054014e194461b34baeee978b72912fe93024
Timestamp:
Wednesday 2 November 2022 at 14:33:49 UTC
()
Proposer:
Authorizers:
Gas used:
46