Flow price: --
35c66a8e0f72b7d2e858b272e5e990b2cc86943b5f9450d7d39e154f1e76f565

Transaction

Hash: 35c66a8e0f72b7d2e858b272e5e990b2cc86943b5f9450d7d39e154f1e76f565
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 35c66a8e0f72b7d2e858b272e5e990b2cc86943b5f9450d7d39e154f1e76f565:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
35c66a8e0f72b7d2e858b272e5e990b2cc86943b5f9450d7d39e154f1e76f565
Status:
ERROR
Block height:
40056361
Block id:
63f05d1b8b6db4c27c52428c1698e5dc99fb166601e771c8304d2f5800376905
Timestamp:
Monday 31 October 2022 at 16:21:03 UTC
()
Proposer:
Authorizers:
Gas used:
49