Flow price: --
c06a854cec47b324976f60a8966d302c5e97636a3ef3541b2e1a41fcedef1b0f

Transaction

Hash: c06a854cec47b324976f60a8966d302c5e97636a3ef3541b2e1a41fcedef1b0f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c06a854cec47b324976f60a8966d302c5e97636a3ef3541b2e1a41fcedef1b0f: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:
c06a854cec47b324976f60a8966d302c5e97636a3ef3541b2e1a41fcedef1b0f
Status:
ERROR
Block height:
40102332
Block id:
43e372da7be05662dea1ebe0bb3e170389e45fc377c29a7ed8b7d57eb8ae9f24
Timestamp:
Tuesday 1 November 2022 at 10:51:46 UTC
()
Proposer:
Authorizers:
Gas used:
45