Flow price: --
b3c404263fa23c58571917814b524bf97190e069a14b6e5bc401629c5d7f7edb

Transaction

Hash: b3c404263fa23c58571917814b524bf97190e069a14b6e5bc401629c5d7f7edb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b3c404263fa23c58571917814b524bf97190e069a14b6e5bc401629c5d7f7edb: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:
b3c404263fa23c58571917814b524bf97190e069a14b6e5bc401629c5d7f7edb
Status:
ERROR
Block height:
40037366
Block id:
1cda6aadda6a67b4208011b62a3b645dc3d54bf94590cdb6bf2d58435addd3db
Timestamp:
Monday 31 October 2022 at 08:39:54 UTC
()
Proposer:
Authorizers:
Gas used:
49