Flow price: --
2221cde11e3211806591c7289deef580afce8d35eb0d1c84c8b7821d2d6a1004

Transaction

Hash: 2221cde11e3211806591c7289deef580afce8d35eb0d1c84c8b7821d2d6a1004
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2221cde11e3211806591c7289deef580afce8d35eb0d1c84c8b7821d2d6a1004:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2221cde11e3211806591c7289deef580afce8d35eb0d1c84c8b7821d2d6a1004
Status:
ERROR
Block height:
40023137
Block id:
f519460d3a56620eaafe279f4d246afee06e89b2ab54673a8dca12a1a03515d7
Timestamp:
Monday 31 October 2022 at 02:57:10 UTC
()
Proposer:
Authorizers:
Gas used:
47