Flow price: --
79a17728d2f230beeb1507a805b3ec7772fb6dc8d175a8c24fc0dd3ded4646e4

Transaction

Hash: 79a17728d2f230beeb1507a805b3ec7772fb6dc8d175a8c24fc0dd3ded4646e4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 79a17728d2f230beeb1507a805b3ec7772fb6dc8d175a8c24fc0dd3ded4646e4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
79a17728d2f230beeb1507a805b3ec7772fb6dc8d175a8c24fc0dd3ded4646e4
Status:
ERROR
Block height:
39974993
Block id:
7350f7f970bdce165f4ea01ad0c505fab196ac2ec4d1e6f47c8a43633b04c6c3
Timestamp:
Sunday 30 October 2022 at 07:45:56 UTC
()
Proposer:
Authorizers:
Gas used:
47