Flow price: --
1e963886ec203e55602c7c31e377441e47ab28472fbe6bd19986e1a6e825b6fd

Transaction

Hash: 1e963886ec203e55602c7c31e377441e47ab28472fbe6bd19986e1a6e825b6fd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1e963886ec203e55602c7c31e377441e47ab28472fbe6bd19986e1a6e825b6fd: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:
1e963886ec203e55602c7c31e377441e47ab28472fbe6bd19986e1a6e825b6fd
Status:
ERROR
Block height:
40163236
Block id:
4c87800db931c7d98cad294c779a7f6778af3ce4a32bc6081cbf129992af37ad
Timestamp:
Wednesday 2 November 2022 at 11:37:15 UTC
()
Proposer:
Authorizers:
Gas used:
47