Roku Support number

oliviajo25​ That typically means an internet/network issue on your network.  You can try these things.

Check the Ethernet Cable: Ensure that your Ethernet cable is not damaged. If possible, try using a different cable to see if the problem persists. 

Restart Your Router: Unplug your router for about 30 seconds, then plug it back in. This can often resolve many network-related issues. 

Restart Your Roku Device: Go to Settings > System > System Restart on your Roku device to restart it. 

Check Network Settings: Ensure that your Roku’s network settings are correct. Navigate to Settings > Network > Wired to check the status of your connection. 

Update Router Firmware: Make sure your router's firmware is up-to-date. Check the manufacturer's website for any available updates. 

Factory Reset Your Roku: If all else fails, perform a factory reset. Go to Settings > System > Advanced system settings > Factory reset. Note that this will erase all settings and preferences. 

Try a Different Network: If possible, connect your Roku to a different network to see if the issue persists.

For official Roku support....go to this link.  As another user pointed out, phone numbers posted online are not official Roku support and are scams.   Go to the link below to contact Roku support.

Official Roku Support | Roku Device Questions & Troubleshooting