Hi@JCJefferson,

According to the translation of Google Translate, I think that your question is that TL-WA850RE encountered IP conflict problem. If there is any discrepancy, please describe it in English.

Please check if there are other devices sharing the same IP with TL-WA850RE? Please also check if the IP of TL-WA850RE is in the DHCP IP pool.

If you didn't set the settings above, please hard reset the extender for a try:

You can also try to set an IP for the extender again: How to configure Address Reservation on MERCUSYS Router