Flow price: --
1067f488cad9f5f6296f10f5ae5c8ae0b29c0147f7b91d4677146bda2c5cbbaa

Transaction

Hash: 1067f488cad9f5f6296f10f5ae5c8ae0b29c0147f7b91d4677146bda2c5cbbaa
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1067f488cad9f5f6296f10f5ae5c8ae0b29c0147f7b91d4677146bda2c5cbbaa: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:
1067f488cad9f5f6296f10f5ae5c8ae0b29c0147f7b91d4677146bda2c5cbbaa
Status:
ERROR
Block height:
39971832
Block id:
c2f0461a45bc89cfba82f1b331ea2ce1635afc448344dbd4bf538807a52b345e
Timestamp:
Sunday 30 October 2022 at 06:29:44 UTC
()
Proposer:
Authorizers:
Gas used:
59