Flow price: --
a54a3c08217839740f39a246666ce1d09f3f53218a250ceef3910d61a4da7ffc

Transaction

Hash: a54a3c08217839740f39a246666ce1d09f3f53218a250ceef3910d61a4da7ffc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a54a3c08217839740f39a246666ce1d09f3f53218a250ceef3910d61a4da7ffc: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:
a54a3c08217839740f39a246666ce1d09f3f53218a250ceef3910d61a4da7ffc
Status:
ERROR
Block height:
40001971
Block id:
cde4a45da41cad7fc9853b5dc25028c1e024713a354653c179b26c594b276700
Timestamp:
Sunday 30 October 2022 at 18:33:39 UTC
()
Proposer:
Authorizers:
Gas used:
46