Flow price: --
7caab2a6b61cf3de70b257c91533cd3e0f5c30abf69d934bac9d48ee243bc7eb

Transaction

Hash: 7caab2a6b61cf3de70b257c91533cd3e0f5c30abf69d934bac9d48ee243bc7eb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7caab2a6b61cf3de70b257c91533cd3e0f5c30abf69d934bac9d48ee243bc7eb: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:
7caab2a6b61cf3de70b257c91533cd3e0f5c30abf69d934bac9d48ee243bc7eb
Status:
ERROR
Block height:
40041040
Block id:
8e166ed38f888c3946eb7f4afa6415020b43219e56c7d928daeb62621a0fb481
Timestamp:
Monday 31 October 2022 at 10:09:08 UTC
()
Proposer:
Authorizers:
Gas used:
46