Flow price: --
19dda7260b66cd05196957f2e61b754223bba67a08a0d6dd5e19b8b6ed13f808

Transaction

Hash: 19dda7260b66cd05196957f2e61b754223bba67a08a0d6dd5e19b8b6ed13f808
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 19dda7260b66cd05196957f2e61b754223bba67a08a0d6dd5e19b8b6ed13f808:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
19dda7260b66cd05196957f2e61b754223bba67a08a0d6dd5e19b8b6ed13f808
Status:
ERROR
Block height:
40040139
Block id:
d4b33ad312de3c0d500c63fe280dfcdc65ccb14aceef39aeb03b621d6c5a0cce
Timestamp:
Monday 31 October 2022 at 09:47:19 UTC
()
Proposer:
Authorizers:
Gas used:
46