Flow price: --
7143b62db49d54b6c9ffb60a11c4e1abd7bc3859db312c90121be7f85987f359

Transaction

Hash: 7143b62db49d54b6c9ffb60a11c4e1abd7bc3859db312c90121be7f85987f359
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7143b62db49d54b6c9ffb60a11c4e1abd7bc3859db312c90121be7f85987f359:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7143b62db49d54b6c9ffb60a11c4e1abd7bc3859db312c90121be7f85987f359
Status:
ERROR
Block height:
40048183
Block id:
3ef9c3a9ade7d36c3310bf3ba7a084e1339fa020c1dc1fdfb498a8b2225f41cb
Timestamp:
Monday 31 October 2022 at 13:02:13 UTC
()
Proposer:
Authorizers:
Gas used:
46