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Did you submit your tax withholding forms?

You might try again with a different browser/web device.  Or reach out to Adobe Stock Contributor Support.

https://contributor.stock.adobe.com/en/contact

Have you met all of the requirements as listed below regarding tax form, 45 days since your first sale and valid PayPal, etc. account?

Here is an excerpt from the Getting Paid page:  https://helpx.adobe.com/stock/contributor/help/getting-paid.html

Once you’ve accrued more than US$25 in royalties on Adobe Stock, you can request a payout as long as you’ve met the following criteria:

• You have a validated tax form on file in your account.

• At least 45 days have passed since your first Adobe Stock sale. (You can make subsequent payment requests when you reach the US$25 threshold again.) 

• You have a valid PayPal, Payoneer, or Skrill account available to receive funds.