Flow price: --
239d2416c4f8781362d73a94b00c8ef6fefea5451fd2d88dc49554bea2834e1c

Transaction

Hash: 239d2416c4f8781362d73a94b00c8ef6fefea5451fd2d88dc49554bea2834e1c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 239d2416c4f8781362d73a94b00c8ef6fefea5451fd2d88dc49554bea2834e1c: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:
239d2416c4f8781362d73a94b00c8ef6fefea5451fd2d88dc49554bea2834e1c
Status:
ERROR
Block height:
39919766
Block id:
04a9bfa156f9a27ba81c41eb7b6f362c931a3081db877395ec989440a43b631a
Timestamp:
Saturday 29 October 2022 at 09:41:07 UTC
()
Proposer:
Authorizers:
Gas used:
47