Flow price: --
180a05b5911569b017b56a46d11581abc337ddd0b95c12f6ee9d1109e9b917d3

Transaction

Hash: 180a05b5911569b017b56a46d11581abc337ddd0b95c12f6ee9d1109e9b917d3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 180a05b5911569b017b56a46d11581abc337ddd0b95c12f6ee9d1109e9b917d3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
180a05b5911569b017b56a46d11581abc337ddd0b95c12f6ee9d1109e9b917d3
Status:
ERROR
Block height:
40018986
Block id:
b9150a9e819a91dd612a5b8e0475a5471473be997497f4306996e008ee293bc5
Timestamp:
Monday 31 October 2022 at 01:17:56 UTC
()
Proposer:
Authorizers:
Gas used:
46