How do i fix This?

[defaultrcltlzgod0fp]

we could not change your plan. please retry comes up every time i try to upgrade my plan

[John T Smith]

This is a public forum, you need the link to Adobe support, not other users
Be sure to remain signed in with your Adobe ID before accessing the link
Do be aware that Adobe's staffing is impacted by the virus, so wait times are long
-make sure that your browser does NOT block ads, scripts, or pop-ups
-you must also allow 'cookies' in your web browser for the link to work
https://helpx.adobe.com/contact.html?rghtup=autoOpen
.
Also: beware of answering anyone who sends you a private message
-click for more information about scammers https://tinyurl.com/10791730

[Nancy OShea]

Try using a different browser that accepts cookies and does NOT have script blockers.

If you currently have an annual subscription, you'll probably need to cancel that first.  Pay the early termination fee and then order your new plan.  Ask an Adobe chat agent to waive the termination fee for you.
https://account.adobe.com/plans
2. Scroll down to Adobe Help Center. 

3. Online chat is available in English 24/7.
4. In the chat box, type AGENT followed by enter key and wait for a human.
5. Alternately, phone customer service M-F during normal business hours.
https://helpx.adobe.com/contact/phone.html
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How do I Cancel my Subscription?
https://helpx.adobe.com/manage-account/using/cancel-subscription.html
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Subscription & Cancellation Terms:
https://www.adobe.com/legal/subscription-terms.html