Paypal plugin issue

Hello,

I got this error today when i tried to pay with my paypal button:

INVALID_STRING_LENGTH The value of a field is either too short or too long.
INVALID_PARAMETER_SYNTAX The value of a field does not conform to the expected format.

this is my error log:

2022-03-13T06:00:41+00:00 DEBUG POST https://api.paypal.com/v2/checkout/orders
Request Body: {“intent”:”CAPTURE”,”purchase_units”:[{“reference_id”:”default”,”amount”:{“currency_code”:”USD”,”value”:”10.00″,”breakdown”:{“item_total”:{“currency_code”:”USD”,”value”:”10.00″},”shipping”:{“currency_code”:”USD”,”value”:”0.00″},”tax_total”:{“currency_code”:”USD”,”value”:”0.00″}}},”description”:””,”items”:[{“name”:”Satellite Product”,”unit_amount”:{“currency_code”:”USD”,”value”:”10.00″},”quantity”:1,”description”:””,”sku”:”SATELLP”,”category”:”PHYSICAL_GOODS”,”tax”:{“currency_code”:”USD”,”value”:”0.00″}}],”payee”:{“merchant_id”:”American Goods”},”shipping”:{“name”:{“full_name”:” “},”address”:{“country_code”:”EC”,”address_line_1″:”Gold Village 3013 north 123″,”admin_area_1″:”EC-I”,”admin_area_2″:”Lima”,”postal_code”:”090888″}}}],”application_context”:{“user_action”:”CONTINUE”,”shipping_preference”:”GET_FROM_FILE”,”landing_page”:”LOGIN”,”locale”:”en-US”,”brand_name”:”AGD”,”return_url”:”https:\/\/americangoods.com\/?wc-ajax=ppc-return-url”,”cancel_url”:”https:\/\/americangoods.com\/checkout\/”},”payer”:{“name”:{“given_name”:”Jhon”,”surname”:”Doe”},”email_address”:”jhondoe@gmail.com”,”address”:{“country_code”:”EC”,”address_line_1″:”Gold Village 3013 north 123″,”admin_area_1″:”EC-I”,”admin_area_2″:”Lima”,”postal_code”:”090888″},”phone”:{“phone_type”:”HOME”,”phone_number”:{“national_number”:”593987254321″}}},”payment_method”:{“payee_preferred”:”IMMEDIATE_PAYMENT_REQUIRED”,”payer_selected”:”PAYPAL”}}
Response Debug ID: a9171915b641b
Response: Array
(
[code] => 400
[message] => Bad Request
)

Response Body: {"name":"INVALID_REQUEST","message":"Request is not well-formed, syntactically incorrect, or violates schema.","debug_id":"a9171915b641b","details":[{"field":"/purchase_units/@reference_id=='default'/payee/merchant_id","value":"American Goods","location":"body","issue":"INVALID_STRING_LENGTH","description":"The value of a field is either too short or too long."},{"field":"/purchase_units/@reference_id=='default'/payee/merchant_id","value":"American Goods","location":"body","issue":"INVALID_PARAMETER_SYNTAX","description":"The value of a field does not conform to the expected format."}],"links":[{"href":"https://developer.paypal.com/docs/api/orders/v2/#error-INVALID_PARAMETER_SYNTAX","rel":"information_link","encType":"application/json"},{"href":"https://developer.paypal.com/docs/api/orders/v2/#error-INVALID_STRING_LENGTH","rel":"information_link","encType":"application/json"}]}

2022-03-13T06:00:41+00:00 WARNING Failed to create order. PayPal API response: [INVALID_REQUEST] Request is not well-formed, syntactically incorrect, or violates schema. https://developer.paypal.com/docs/api/orders/v2/#error-INVALID_PARAMETER_SYNTAX https://developer.paypal.com/docs/api/orders/v2/#error-INVALID_STRING_LENGTH
2022-03-13T06:00:41+00:00 ERROR Order creation failed: [INVALID_REQUEST] Request is not well-formed, syntactically incorrect, or violates schema. https://developer.paypal.com/docs/api/orders/v2/#error-INVALID_PARAMETER_SYNTAX https://developer.paypal.com/docs/api/orders/v2/#error-INVALID_STRING_LENGTH
2022-03-13T06:00:41+00:00 ERROR Order creation failed: [INVALID_REQUEST] Request is not well-formed, syntactically incorrect, or violates schema. https://developer.paypal.com/docs/api/orders/v2/#error-INVALID_PARAMETER_SYNTAX https://developer.paypal.com/docs/api/orders/v2/#error-INVALID_STRING_LENGTH

Thanks for your help