Flow price: --
9c1eeb6acdae0bda91904bcceb4cdb4fcabd22cf85be1b8a17d428dcdd93bc4c

Transaction

Hash: 9c1eeb6acdae0bda91904bcceb4cdb4fcabd22cf85be1b8a17d428dcdd93bc4c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9c1eeb6acdae0bda91904bcceb4cdb4fcabd22cf85be1b8a17d428dcdd93bc4c: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:
9c1eeb6acdae0bda91904bcceb4cdb4fcabd22cf85be1b8a17d428dcdd93bc4c
Status:
ERROR
Block height:
39969858
Block id:
be571911da7a7a8a46ea5d04b8d88b58dee7b70749558daf0d66a13ab4c2903e
Timestamp:
Sunday 30 October 2022 at 05:41:59 UTC
()
Proposer:
Authorizers:
Gas used:
50