Flow price: --
02b661a421ccbe8e436fa3b82ce219a82c0996c5bdcb598a54e2143a45ee36ea

Transaction

Hash: 02b661a421ccbe8e436fa3b82ce219a82c0996c5bdcb598a54e2143a45ee36ea
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 02b661a421ccbe8e436fa3b82ce219a82c0996c5bdcb598a54e2143a45ee36ea: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:
02b661a421ccbe8e436fa3b82ce219a82c0996c5bdcb598a54e2143a45ee36ea
Status:
ERROR
Block height:
40104113
Block id:
2911796d5379282615f5209cc0e219a89a51fb8fe4f27919a7cfdb80dd88c5e8
Timestamp:
Tuesday 1 November 2022 at 11:35:09 UTC
()
Proposer:
Authorizers:
Gas used:
49