Flow price: --
5340967c5a6e26ab5c1c0594eb83d695c985efe8b072af42d4efa30e5469c974

Transaction

Hash: 5340967c5a6e26ab5c1c0594eb83d695c985efe8b072af42d4efa30e5469c974
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5340967c5a6e26ab5c1c0594eb83d695c985efe8b072af42d4efa30e5469c974:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5340967c5a6e26ab5c1c0594eb83d695c985efe8b072af42d4efa30e5469c974
Status:
ERROR
Block height:
39974456
Block id:
e1651a201f9d5d5504948ebfea8f7df455fc4cd4f4f06e9fd62430816128aa47
Timestamp:
Sunday 30 October 2022 at 07:33:21 UTC
()
Proposer:
Authorizers:
Gas used:
50