Flow price: --
58b4c1f7d445722722f96e240a844d681aef7b3caed49e8eb98d588e5d9fce6d

Transaction

Hash: 58b4c1f7d445722722f96e240a844d681aef7b3caed49e8eb98d588e5d9fce6d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 58b4c1f7d445722722f96e240a844d681aef7b3caed49e8eb98d588e5d9fce6d: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:
58b4c1f7d445722722f96e240a844d681aef7b3caed49e8eb98d588e5d9fce6d
Status:
ERROR
Block height:
40147908
Block id:
c84f121a78606a8181cf29f5d6fa1fd00a6e32072c63234f799c9e83a5f3cad7
Timestamp:
Wednesday 2 November 2022 at 05:23:02 UTC
()
Proposer:
Authorizers:
Gas used:
50