Flow price: --
720e9a1462f34956d796ab2cb08b4870ceb5898665479d83556ffa2e4b87cb6c

Transaction

Hash: 720e9a1462f34956d796ab2cb08b4870ceb5898665479d83556ffa2e4b87cb6c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 720e9a1462f34956d796ab2cb08b4870ceb5898665479d83556ffa2e4b87cb6c: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:
720e9a1462f34956d796ab2cb08b4870ceb5898665479d83556ffa2e4b87cb6c
Status:
ERROR
Block height:
39744858
Block id:
3e28dcb0036073b9315b68bf48de4b6d5e9134a54fc7eb29bc70ba5c8929690a
Timestamp:
Wednesday 26 October 2022 at 11:23:12 UTC
()
Proposer:
Authorizers:
Gas used:
47