Flow price: --
5a6cff4f868ce0bbbfeaf6e8094b4dfe6c358cdcec17d20ebb9366d9ae582e4c

Transaction

Hash: 5a6cff4f868ce0bbbfeaf6e8094b4dfe6c358cdcec17d20ebb9366d9ae582e4c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5a6cff4f868ce0bbbfeaf6e8094b4dfe6c358cdcec17d20ebb9366d9ae582e4c: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:
5a6cff4f868ce0bbbfeaf6e8094b4dfe6c358cdcec17d20ebb9366d9ae582e4c
Status:
ERROR
Block height:
39895690
Block id:
3bb61440801025e7bad584f674cb9e572e870349e91a4df06fb9cd7a10f071e3
Timestamp:
Saturday 29 October 2022 at 00:02:47 UTC
()
Proposer:
Authorizers:
Gas used:
50