After investigating this particular issue, it turns out that there are several different underlying causes that might be triggering this error code: Now that you know every underlying cause that might be triggering this error code, here’s a list of methods that other users finding themselves in a similar situation have used to complete the operation in Paypal:

Method 1: Verify that Card Details are correct

Looking at the error code, 203 is mainly used by all payment processors to signal a general card decline when there’s no additional information provided by the issuing bank. So before you move on to any of the other methods below, you should start this troubleshooting guide by making sure that you have correctly entered the expiration date and security code of your credit card. Additionally, make sure that the card you are trying to connect with Paypal is not actually expired. Several affected users that were previously dealing with this issue have confirmed that in their case, the issue went away after they have double-checked the details of the card and inserted the correct values for the security code and expiration date. If this scenario is not applicable as you double-checked and there are no types in the boxes associated with your expiration date and security code, move down to the next potential fix below.

Method 2: Use Incognito mode / Private mode

According to some affected users, you can expect to see this error occurring if you are dealing with some kind of corrupted cached data related to the Paypal cookie. Several affected users that were dealing with the same issue have reported that the Error code 203 was avoided entirely by opening a new Incognito Window on Chrome or Private Window on Firefox. Note: If you’re using a different browser, the private window feature might be named differently. In this case, search online for specific steps on opening a private window.

If you’re using Google Chrome, click on the action button (top-right corner), then click on New Incognito Window from the context menu that just appeared.Opening New Incognito window in ChromeIf you’re using Firefox, click on the action button (top-right corner), then click on New Private Window from the new context menu that just appeared. Selecting the New InPrivate Window

Once you open a private window, repeat the action in Paypal that was previously causing the Error code 203.  If this problem is still not resolved, move down to the next potential fix below.

Method 3: Cleaning the Cookies and Cached Data from your Browser

If you want to avoid the usage of an incognito window / private window and you’re looking for a permanent fix, then clearing all the cookies and cached data related to Paypal should allow you to fix the issue for good. A lot of affected users that were dealing with this problem have reported that they finally managed to fix the issue by clearing all their cookies and cached data that are currently stored by the browser. But since this operation will be different depending on which browser you’re using, we’ve put together a series of sub guides that will show you how to clean the cookies and cache on every major browser on Windows. Note:  If you are using a Chromium-based browser, you can simply follow the instructions for Google Chrome. Once you manage to clear the cookies and cache of your browser, repeat the action in Paypal and see if you still end up seeing the same Error code 203. If the same problem is still occurring, move down to the next potential fix below.

Method 4: Contact the My Cash Card Customer Service

Once you made sure that the issue is not being caused by a typo on your part, then the next thing you should do is get in contact with the official customer service of Paypal. At the time of writing this article, the official toll number for My cash customer service is 855-721-5035. Note: However, this number is subject to change, so double-check on the official number on the support page.  Call then number and follow the robot prompts to get in contact with a human. Once you get allocated to a live agent, he will likely open a support ticket where you’ll have to submit your card details and wait for a resolution. According to other users that also went this route, you can expect the ticket to be processed in 3 to 5 working days.

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