Flow price: --
88a15028ffb50204e5e9711a9e76fd6b75a4bab4aa81bcbb5ffc9e7f1c61bbef

Transaction

Hash: 88a15028ffb50204e5e9711a9e76fd6b75a4bab4aa81bcbb5ffc9e7f1c61bbef
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 88a15028ffb50204e5e9711a9e76fd6b75a4bab4aa81bcbb5ffc9e7f1c61bbef: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:
88a15028ffb50204e5e9711a9e76fd6b75a4bab4aa81bcbb5ffc9e7f1c61bbef
Status:
ERROR
Block height:
40163489
Block id:
c73c62accd8f66a9b54952ea9c08f74f0a0fe8e9d0b548eb44602a4d9ae6c04c
Timestamp:
Wednesday 2 November 2022 at 11:43:18 UTC
()
Proposer:
Authorizers:
Gas used:
52