Flow price: --
967ebd7899ea6a777f65208feeb17d05c119a036459f077e465a3d895e9cc90e

Transaction

Hash: 967ebd7899ea6a777f65208feeb17d05c119a036459f077e465a3d895e9cc90e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 967ebd7899ea6a777f65208feeb17d05c119a036459f077e465a3d895e9cc90e: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:
967ebd7899ea6a777f65208feeb17d05c119a036459f077e465a3d895e9cc90e
Status:
ERROR
Block height:
39967405
Block id:
25df28deddaaa92788ee24f40dcd6637064283d713e46dc1548dcaca60305a8b
Timestamp:
Sunday 30 October 2022 at 04:43:04 UTC
()
Proposer:
Authorizers:
Gas used:
50