Flow price: --
9e5d52efa48c773159fc590089ec472fea95f6ebcf062096dc95293ed7a6e156

Transaction

Hash: 9e5d52efa48c773159fc590089ec472fea95f6ebcf062096dc95293ed7a6e156
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9e5d52efa48c773159fc590089ec472fea95f6ebcf062096dc95293ed7a6e156:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9e5d52efa48c773159fc590089ec472fea95f6ebcf062096dc95293ed7a6e156
Status:
ERROR
Block height:
40039253
Block id:
3af1bc47a5773c0cf6a60a4af47619e02753c2ac42330634b2200212fdade2f1
Timestamp:
Monday 31 October 2022 at 09:25:53 UTC
()
Proposer:
Authorizers:
Gas used:
50