Flow price: --
2512f20a1ce844c11af682f161fde1e6826210d7cc6d0dd9bf756cab9340fddb

Transaction

Hash: 2512f20a1ce844c11af682f161fde1e6826210d7cc6d0dd9bf756cab9340fddb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2512f20a1ce844c11af682f161fde1e6826210d7cc6d0dd9bf756cab9340fddb: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:
2512f20a1ce844c11af682f161fde1e6826210d7cc6d0dd9bf756cab9340fddb
Status:
ERROR
Block height:
40165373
Block id:
e5ceea3d07972a5da043437fbb734a5d39a362050977efb35f5e74187516d0fd
Timestamp:
Wednesday 2 November 2022 at 12:28:41 UTC
()
Proposer:
Authorizers:
Gas used:
46