Turn off Zlib compression in one of them. If you are integrating them - you can't turn Zlib compression on in both products. As you can't compress it twice.
Try turning off Zlib compression in Photopost or Threads.
Donate to UBBDev today to help aid in Operational, Server and Script Maintenance, and Development costs.
Please also see our parent organization VNC Web Services if you're in the need of a new UBB.threads Install or Upgrade, Site/Server Migrations, or Security and Coding Services.
