TypeError: unexpected type, use Uint8Array

[angel-1c]

when i try to place an order i get this error:

/root/serumsol/node_modules/tweetnacl/nacl-fast.js:2165
throw new TypeError('unexpected type, use Uint8Array');
^

TypeError: unexpected type, use Uint8Array
at checkArrayTypes (/root/serumsol/node_modules/tweetnacl/nacl-fast.js:2165:13)
at Object.nacl.sign (/root/serumsol/node_modules/tweetnacl/nacl-fast.js:2269:3)
at Function.nacl.sign.detached (/root/serumsol/node_modules/tweetnacl/nacl-fast.js:2290:24)
at /root/serumsol/node_modules/@solana/web3.js/lib/index.cjs.js:2852:55
at Array.forEach ()
at Transaction._partialSign (/root/serumsol/node_modules/@solana/web3.js/lib/index.cjs.js:2851:13)
at Transaction.sign (/root/serumsol/node_modules/@solana/web3.js/lib/index.cjs.js:2807:10)
at Connection.sendTransaction (/root/serumsol/node_modules/@solana/web3.js/lib/index.cjs.js:6922:21)
at processTicksAndRejections (node:internal/process/task_queues:96:5)
at async Market._sendTransaction (/root/serumsol/node_modules/@project-serum/serum/lib/market.js:510:27)