Flow price: --
4f49c9a5cee5c6ffd9b64e8d65a027e00e5c0e5949be9c02a85fcb30ca45cf5c

Transaction

Hash: 4f49c9a5cee5c6ffd9b64e8d65a027e00e5c0e5949be9c02a85fcb30ca45cf5c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4f49c9a5cee5c6ffd9b64e8d65a027e00e5c0e5949be9c02a85fcb30ca45cf5c: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:
4f49c9a5cee5c6ffd9b64e8d65a027e00e5c0e5949be9c02a85fcb30ca45cf5c
Status:
ERROR
Block height:
40096771
Block id:
880151077b8dc8483e2a6c4e7e725a0a0f62b4f83b792bb24105f3a1889d97bb
Timestamp:
Tuesday 1 November 2022 at 08:36:32 UTC
()
Proposer:
Authorizers:
Gas used:
49