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I have upgraded my Sandbox to business PRO, but I am getting "This transaction cannot be processed. The merchant's account is not able to process transactions" when trying to process payments.
Here are some of the fields from my response object:
CorrelationID: "88cbd473d1e21"
Error Code: 10548
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Ok, the new account was not migrated to PRO, I did now and should be able to go. In case you still receive an error please share the full API call and the full response.

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Hi, the sandbox account has PRO disabled and the error is about PRO not enabled on the caller account. Just create a new verified Business Sandbox PRO account and it will work.
- Login or Signup into developer portal at https://developer.paypal.com
- Click on Dashboard on the top of the page
- On the left column click on "Accounts" under Sandbox
- On the top right corner click on "Create Account"
- Fill in all the details:
> you can choose any country in the drop down menu "Country"
> select a Business account that would simulate a seller or a Personal for the buyer
> enter a test email and a password
> Optional, enter a name/surname
> enter the balance (you can enter any amount, it's a test account)
> select YES on "Bank Verified Account" so that your test account results verified
> select a credit card
> Just press "Create Account"
In order to enable PRO in Sandbox please follow these steps:
- Go to https://developer.paypal.com
- click "Login into Dashboard" on the top right corner of the page
- Log in with your PayPal credentials
- Click on "Accounts", beside "Sandbox" at the left-hand side of the page
- Click on the gray arrow beside the account you want to upgrade to PRO
- Click on "Profile" under the email address
- Click on "Upgrade to PRO", near to "Account type"
- Click on "Enable" in order to confirm your request
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Thanks for your help. After following your instructions I now have two Business PRO accounts. The one I had when creating this post, and a new one created by following your instructions above. I am still getting the same error when trying to place an order to either Sandbox account.
Do you have any further advice?

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Ok, the new account was not migrated to PRO, I did now and should be able to go. In case you still receive an error please share the full API call and the full response.
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Hi
I have exactly same problem and I did as you requested, can you Please fix my one too??
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I did upgrade the account to Pro but still facing the same problem, can you please help resolve the issue?
Thanks.
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i did the same steps but still getting this error
@MTS_Andre wrote:Hi, the sandbox account has PRO disabled and the error is about PRO not enabled on the caller account. Just create a new verified Business Sandbox PRO account and it will work.
- Login or Signup into developer portal at https://developer.paypal.com
- Click on Dashboard on the top of the page
- On the left column click on "Accounts" under Sandbox
- On the top right corner click on "Create Account"
- Fill in all the details:
> you can choose any country in the drop down menu "Country"
> select a Business account that would simulate a seller or a Personal for the buyer
> enter a test email and a password
> Optional, enter a name/surname
> enter the balance (you can enter any amount, it's a test account)
> select YES on "Bank Verified Account" so that your test account results verified
> select a credit card
> Just press "Create Account"
In order to enable PRO in Sandbox please follow these steps:
- Go to https://developer.paypal.com
- click "Login into Dashboard" on the top right corner of the page
- Log in with your PayPal credentials
- Click on "Accounts", beside "Sandbox" at the left-hand side of the page
- Click on the gray arrow beside the account you want to upgrade to PRO
- Click on "Profile" under the email address
- Click on "Upgrade to PRO", near to "Account type"
- Click on "Enable" in order to confirm your request

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