SyntaxError: Unexpected token J in JSON at position 1

[Kerambi]

Hello, maybe someone can help me ? Im working on windows 10. Cant run candy machine v2
After this
ts-node C:/Users/Administrator/my-generative-nfts/metaplex/js/packages/cli/src/candy-machine-v2-cli.ts upload \ -e devnet \ -k ~/.config/solana/devnet.json \ -cp C:/Users/Administrator/my-generative-nfts/metaplex/config.json \ -c example \ C:/Users/Administrator/my-generative-nfts/metaplex/assets

I get this

C:\Users\Administrator\my-generative-nfts\metaplex\js\packages\cli\src\helpers\accounts.ts:571
new Uint8Array(JSON.parse(fs.readFileSync(keypair).toString())),
^
SyntaxError: Unexpected token J in JSON at position 1
at JSON.parse ()
at loadWalletKey (C:\Users\Administrator\my-generative-nfts\metaplex\js\packages\cli\src\helpers\accounts.ts:571:25)
at Command. (C:\Users\Administrator\my-generative-nfts\metaplex\js\packages\cli\src\candy-machine-v2-cli.ts:101:40)
at Command.listener [as _actionHandler] (C:\Users\Administrator\my-generative-nfts\metaplex\js\packages\cli\node_modules\commander\lib\command.js:488:17)
at C:\Users\Administrator\my-generative-nfts\metaplex\js\packages\cli\node_modules\commander\lib\command.js:1227:65
at Command._chainOrCall (C:\Users\Administrator\my-generative-nfts\metaplex\js\packages\cli\node_modules\commander\lib\command.js:1144:12)
at Command._parseCommand (C:\Users\Administrator\my-generative-nfts\metaplex\js\packages\cli\node_modules\commander\lib\command.js:1227:27)
at Command._dispatchSubcommand (C:\Users\Administrator\my-generative-nfts\metaplex\js\packages\cli\node_modules\commander\lib\command.js:1050:25)
at Command._parseCommand (C:\Users\Administrator\my-generative-nfts\metaplex\js\packages\cli\node_modules\commander\lib\command.js:1193:19)
at Command.parse (C:\Users\Administrator\my-generative-nfts\metaplex\js\packages\cli\node_modules\commander\lib\command.js:897:10)