Flow price: --
1840f771e4bab58cdb4da54925560fb2ae479f54b01b436d7a2a869fc2db7713

Transaction

Hash: 1840f771e4bab58cdb4da54925560fb2ae479f54b01b436d7a2a869fc2db7713
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1840f771e4bab58cdb4da54925560fb2ae479f54b01b436d7a2a869fc2db7713:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1840f771e4bab58cdb4da54925560fb2ae479f54b01b436d7a2a869fc2db7713
Status:
ERROR
Block height:
39880088
Block id:
c176310a5f4c2c94cdd02688e4aa84881eb192cbea1d2032251c350efa1a5a1e
Timestamp:
Friday 28 October 2022 at 17:51:37 UTC
()
Proposer:
Authorizers:
Gas used:
47