Flow price: --
21d8f6fda282a95089c9da6c052e803b33ac413ea99cb8a688c7dfbd814fe723

Transaction

Hash: 21d8f6fda282a95089c9da6c052e803b33ac413ea99cb8a688c7dfbd814fe723
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 21d8f6fda282a95089c9da6c052e803b33ac413ea99cb8a688c7dfbd814fe723:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
21d8f6fda282a95089c9da6c052e803b33ac413ea99cb8a688c7dfbd814fe723
Status:
ERROR
Block height:
40032991
Block id:
489063aaffac97488fc8a4e1d5291cd2a1f9f61141283b3b7e7784898e9c8cba
Timestamp:
Monday 31 October 2022 at 06:55:47 UTC
()
Proposer:
Authorizers:
Gas used:
50