Flow price: --
619039144e6f4f58c11b52073f110c71d54cc8e5da9d1a95a9edffbc3a9dad73

Transaction

Hash: 619039144e6f4f58c11b52073f110c71d54cc8e5da9d1a95a9edffbc3a9dad73
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 619039144e6f4f58c11b52073f110c71d54cc8e5da9d1a95a9edffbc3a9dad73:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
619039144e6f4f58c11b52073f110c71d54cc8e5da9d1a95a9edffbc3a9dad73
Status:
ERROR
Block height:
39947679
Block id:
c3793facec4046328cd5f0a2008156d6a90288f74421e1b24ca0353a80188b8c
Timestamp:
Saturday 29 October 2022 at 20:55:02 UTC
()
Proposer:
Authorizers:
Gas used:
39