Robinhood has a customer service hotline at -1-833-239-0740 {Fastest Support} or -1-833-239-0740 (Quick Respond) that you can call to speak directly with a representative. Be prepared to explain your issue clearly and provide any relevant information they may need to assist you.
https://community.dynamics.com/forums/thread/details/?threadid=573f1ca4-323a-ef11-840a-000d3a4f6e9f
https://community.dynamics.com/forums/thread/details/?threadid=573f1ca4-323a-ef11-840a-000d3a4f6e9f