Flow price: --
bee7e2f5e45fd08c87ec77ba00b80319fb942418ff5039711aecd69e54b0794f

Transaction

Hash: bee7e2f5e45fd08c87ec77ba00b80319fb942418ff5039711aecd69e54b0794f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bee7e2f5e45fd08c87ec77ba00b80319fb942418ff5039711aecd69e54b0794f: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:
bee7e2f5e45fd08c87ec77ba00b80319fb942418ff5039711aecd69e54b0794f
Status:
ERROR
Block height:
39986457
Block id:
168f0c91151ccc36c7d9e56d4a991d3fdd5593ce4e2e317fc1dd228c958c6675
Timestamp:
Sunday 30 October 2022 at 12:20:46 UTC
()
Proposer:
Authorizers:
Gas used:
46