Flow price: --
d51c61e8b1e873924c0c45019d00571dfa47c9f36601885847e22c4b0b12c3b7

Transaction

Hash: d51c61e8b1e873924c0c45019d00571dfa47c9f36601885847e22c4b0b12c3b7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d51c61e8b1e873924c0c45019d00571dfa47c9f36601885847e22c4b0b12c3b7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d51c61e8b1e873924c0c45019d00571dfa47c9f36601885847e22c4b0b12c3b7
Status:
ERROR
Block height:
40165155
Block id:
d2aea5c413703f04ce8f393919e3191a3fabf0e8177778af5e0cd6c8ef9d280e
Timestamp:
Wednesday 2 November 2022 at 12:23:27 UTC
()
Proposer:
Authorizers:
Gas used:
49