Flow price: --
5a61c24d8e2913a87e8a422fef8cb08f2495c7f7aac548840791a8fe645de988

Transaction

Hash: 5a61c24d8e2913a87e8a422fef8cb08f2495c7f7aac548840791a8fe645de988
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5a61c24d8e2913a87e8a422fef8cb08f2495c7f7aac548840791a8fe645de988:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5a61c24d8e2913a87e8a422fef8cb08f2495c7f7aac548840791a8fe645de988
Status:
ERROR
Block height:
40144474
Block id:
225bcd0e4144ea3516781520287b373dae8e8ec9bbb0b187f59225d0ea701ce8
Timestamp:
Wednesday 2 November 2022 at 03:59:13 UTC
()
Proposer:
Authorizers:
Gas used:
52