Flow price: --
f9dce475a1511cd32cd98a09fb62fd12329d9d38bcd69a1a6af6b01e8e74ef63

Transaction

Hash: f9dce475a1511cd32cd98a09fb62fd12329d9d38bcd69a1a6af6b01e8e74ef63
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f9dce475a1511cd32cd98a09fb62fd12329d9d38bcd69a1a6af6b01e8e74ef63:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f9dce475a1511cd32cd98a09fb62fd12329d9d38bcd69a1a6af6b01e8e74ef63
Status:
ERROR
Block height:
40057490
Block id:
41522d1b4084d3f70480afcd0fe1e115f5a19b631f05d6ce6e1282bf95002bf1
Timestamp:
Monday 31 October 2022 at 16:48:59 UTC
()
Proposer:
Authorizers:
Gas used:
48