# Known Issues

A list of known issues in VisionPro 10.0 Preview 2 along with workarounds when available.

#### QuickBuild

See the following information for known issues with QuickBuild.

> QuickBuild Behavior with Trigger Mode Set to Auto Ignores Timeout Value

> If you select a trigger mode of Hardware Auto on the Strobe & Trigger tab for a connected camera, QuickBuild ignores any value for Timeout in the Settings tab. There is no known issue with the Timeout value when you use a trigger mode of Hardware Semi-Auto (AGT-3457).

> This issue applies only to the QuickBuild user interface and not calls from the C++ API.

> Using Remote Desktop Can Cause QuickBuild To Stop Functioning

> Using remote desktop on older computers can cause QuickBuild to crash when viewing QuickBuild in full-screen mode (AGT-3484).

### ToolBlocks

See the following information for known issues with using ToolBlocks.

> Loading the Same ToolBlock In Your Application Can Have Unexpected Behavior

> Loading the same ToolBlock .vpp file in your vision application two or more times can have unexpected behavior. In QuickBuild, you cannot open a duplicate instance of a ToolBlock if the original is still in the application (OMX-3098).

> No Support for Single-Step Debugging of C# Scripts

> This release does not support single-step debugging of C# scripts using the Microsoft Visual Studio Debugger (OMX-2362).

### Vision Tools

See the following information for known issues with Vision Tools.

> IPOneImage MissingPixel Operator Not Supported

> This release does not support the IPOneImage Missing Pixel operator (OU-869).