Hi Sharon,
Without knowing the exact error it is difficult to help, but when registered for a new GEE account you should write concise and clear text on the use case. For example:
I would like to use Google Earth Engine and FAO’s SEPAL to access satellite imagery, create cloud-free mosaics, execute classifications and monitor forest cover for ...
If that doesn't work and your request is not accepted, you will need to register again with a new gmail address.
best,
Aurélie
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Dr. Aurélie Shapiro
Chief Technical Advisor
Forest Monitoring and Data Platforms
Food and Agriculture Organization of the United Nations (FAO)