Flow price: --
6587e84e6eb3b4eb5cf3b4c81603d19b9752e57342d2b738108b7fca6997288c

Transaction

Hash: 6587e84e6eb3b4eb5cf3b4c81603d19b9752e57342d2b738108b7fca6997288c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6587e84e6eb3b4eb5cf3b4c81603d19b9752e57342d2b738108b7fca6997288c: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:
6587e84e6eb3b4eb5cf3b4c81603d19b9752e57342d2b738108b7fca6997288c
Status:
ERROR
Block height:
39795650
Block id:
5c794ca5408fa58a11a7f96a5f8b0283e56e377544679b9d92800b46a465499e
Timestamp:
Thursday 27 October 2022 at 07:50:14 UTC
()
Proposer:
Authorizers:
Gas used:
50