Flow price: --
5e9cb58c9fb824a4fcae72ead7618b2e9bdb4cab8c2f3b96030160f1b8cb113c

Transaction

Hash: 5e9cb58c9fb824a4fcae72ead7618b2e9bdb4cab8c2f3b96030160f1b8cb113c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5e9cb58c9fb824a4fcae72ead7618b2e9bdb4cab8c2f3b96030160f1b8cb113c: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:
5e9cb58c9fb824a4fcae72ead7618b2e9bdb4cab8c2f3b96030160f1b8cb113c
Status:
ERROR
Block height:
40017297
Block id:
26ef55e308c355e9b18a5460deb92bc0d2d8d6325bbb3e93e0943247c40b6b72
Timestamp:
Monday 31 October 2022 at 00:37:17 UTC
()
Proposer:
Authorizers:
Gas used:
47