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If you are encountering an "unexpected error" while trying to schedule the PL-300 certification, it may be due to your account being blocked by Pearson VUE. This typically happens because of multiple failed payments. To resolve this issue, you should contact Pearson VUE support to get the block lifted. You can find their support link here.
Additionally, ensure that you are following the correct steps to schedule your exam, which include logging into your Learn Profile and filling out the required information before being redirected to Pearson VUE for scheduling.
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