Hey, i am getting this error while trasnfer NFT. I can't find this error anywhere. i have used as ton metion in their docs. please help me why i am geeting this error and how can i solved this?

USING : React js with typescript template, @ton/ton, @tonconnect/ui-react

ERROR:
TypeError: Do not know how to serialize a BigInt

const body = beginCell()
				.storeUint(0x5fcc3d14, 32)               // NFT transfer op code 0x5fcc3d14
				.storeUint(0, 64)                        // query_id:uint64
				.storeAddress(Address.parse(toAddress))  // new_owner:MsgAddress
				.storeAddress(Address.parse(fromAddress)) // response_destination:MsgAddress
				.storeUint(0, 1)                         // custom_payload:(Maybe ^Cell)
				.storeCoins(toNano('0.000000001'))       // forward_amount:(VarUInteger 16)
				.storeUint(0,1)                          // forward_payload:(Either Cell ^Cell)
				.endCell();

const transaction = {
			validUntil: Math.floor(Date.now() / 1000) + 360,
			messages: [
					{
							address: Address.parse(nft_address), // NFT Item address, which will be transferred
							amount: toNano("0.05"),  // for commission fees, excess will be returned
							payload: body.toBoc().toString("base64")  // payload with a NFT transfer body
					}
			]
	}

const result = await tonConnectUI.sendTransaction(transaction);