Flow price: --
d4b99acd4254122e939427fefd18f4543c41c9c7215529c70305710d9939e356

Transaction

Hash: d4b99acd4254122e939427fefd18f4543c41c9c7215529c70305710d9939e356
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d4b99acd4254122e939427fefd18f4543c41c9c7215529c70305710d9939e356:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d4b99acd4254122e939427fefd18f4543c41c9c7215529c70305710d9939e356
Status:
ERROR
Block height:
39976942
Block id:
3f1d3b9aed2abf60d9d3f0da7a102facea1323d05582be7d73e04adf01e75dc2
Timestamp:
Sunday 30 October 2022 at 08:32:27 UTC
()
Proposer:
Authorizers:
Gas used:
47