Flow price: --
6750125bfa9d08e73cf9a7090005ce8399a1d9c9d5a30a367ff55a8ac7ca51ce

Transaction

Hash: 6750125bfa9d08e73cf9a7090005ce8399a1d9c9d5a30a367ff55a8ac7ca51ce
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6750125bfa9d08e73cf9a7090005ce8399a1d9c9d5a30a367ff55a8ac7ca51ce: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:
6750125bfa9d08e73cf9a7090005ce8399a1d9c9d5a30a367ff55a8ac7ca51ce
Status:
ERROR
Block height:
40138295
Block id:
bd724a41b92d535e2629ec46293700ec7d5aa1db77634f8d8efc63577ce00691
Timestamp:
Wednesday 2 November 2022 at 01:29:02 UTC
()
Proposer:
Authorizers:
Gas used:
49