Flow price: --
7d5882978713b1e9313e95d5c72d26e16e62733b029242c99a62d086dfc68bf8

Transaction

Hash: 7d5882978713b1e9313e95d5c72d26e16e62733b029242c99a62d086dfc68bf8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7d5882978713b1e9313e95d5c72d26e16e62733b029242c99a62d086dfc68bf8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7d5882978713b1e9313e95d5c72d26e16e62733b029242c99a62d086dfc68bf8
Status:
ERROR
Block height:
40041503
Block id:
b24dce2c891bc7d0187121cef6e47779f8dc72883d0fc467365293ff9e2df3ab
Timestamp:
Monday 31 October 2022 at 10:20:47 UTC
()
Proposer:
Authorizers:
Gas used:
47