Flow price: --
4c9827e3c128d025b79fee18bdf365e9a99ddd91d06c8351c31739a91efcdbfa

Transaction

Hash: 4c9827e3c128d025b79fee18bdf365e9a99ddd91d06c8351c31739a91efcdbfa
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4c9827e3c128d025b79fee18bdf365e9a99ddd91d06c8351c31739a91efcdbfa: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:
4c9827e3c128d025b79fee18bdf365e9a99ddd91d06c8351c31739a91efcdbfa
Status:
ERROR
Block height:
40120340
Block id:
ff5d6c5365dcaa042bf392b700c6ba6a362e7c8354997fc17a37c61e985a7eb0
Timestamp:
Tuesday 1 November 2022 at 18:09:35 UTC
()
Proposer:
Authorizers:
Gas used:
46