Flow price: --
3c38c215e3ccd39ff81083105a6a4171df9c604925806513c9e6d293cc5d17b7

Transaction

Hash: 3c38c215e3ccd39ff81083105a6a4171df9c604925806513c9e6d293cc5d17b7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3c38c215e3ccd39ff81083105a6a4171df9c604925806513c9e6d293cc5d17b7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3c38c215e3ccd39ff81083105a6a4171df9c604925806513c9e6d293cc5d17b7
Status:
ERROR
Block height:
40066453
Block id:
32f28c5cff96aa5bf33358f4b6bca42ca1bd1af4c49b5509719680b93cacc329
Timestamp:
Monday 31 October 2022 at 20:25:24 UTC
()
Proposer:
Authorizers:
Gas used:
47