Flow price: --
21932e7ab7f935f156fe4aa07e927c451b53b8a10a8ad9c5ab633a670fe0779b

Transaction

Hash: 21932e7ab7f935f156fe4aa07e927c451b53b8a10a8ad9c5ab633a670fe0779b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 21932e7ab7f935f156fe4aa07e927c451b53b8a10a8ad9c5ab633a670fe0779b: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:
21932e7ab7f935f156fe4aa07e927c451b53b8a10a8ad9c5ab633a670fe0779b
Status:
ERROR
Block height:
40048229
Block id:
6316dcb4973860229a348811123f8c4da52c1eab78bbcb4ef591ea9cc39c361f
Timestamp:
Monday 31 October 2022 at 13:03:23 UTC
()
Proposer:
Authorizers:
Gas used:
47