Flow price: --
47c90743cad530ad3b9d367a0cc10085a238a6cd251a7fcbdd3ec599480cf842

Transaction

Hash: 47c90743cad530ad3b9d367a0cc10085a238a6cd251a7fcbdd3ec599480cf842
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 47c90743cad530ad3b9d367a0cc10085a238a6cd251a7fcbdd3ec599480cf842:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
47c90743cad530ad3b9d367a0cc10085a238a6cd251a7fcbdd3ec599480cf842
Status:
ERROR
Block height:
40122894
Block id:
9ca760e7aca94b62be1d2db885390299cfb5bc441943ff355babcf2560846978
Timestamp:
Tuesday 1 November 2022 at 19:11:25 UTC
()
Proposer:
Authorizers:
Gas used:
48