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Troubleshooting ​

Common problems ​

Messages/s stays at 0 ​

The Status line shows Messages/s: 0 while your tracking app is sending.

  • Firewall not allowed. Open Windows Defender Firewall, find MocapSeitai under Allow an app through firewall, and check Private networks.
  • Wrong IP or port. Check that your tracking app's target IP is this PC and the port matches MocapSeitai's Listen port / mocopi port / Rokoko port (whichever matches your Input mode).
  • Port already in use. MocapSeitai shows a port-unavailable warning when the listen port failed to bind. Close whatever else is using that port and restart MocapSeitai.

Settings aren't saving ​

Changes reset every launch:

  • This happens when MocapSeitai is run from inside the ZIP's preview/temp-extraction view. Extract the whole ZIP to a normal folder first.

Per-avatar tuning (colliders, muscle limits, corrections) is not part of app settings:

  • Save it with Save map... in Load model, and load the map next time.

"Windows protected your PC" (SmartScreen) ​

The build is unsigned, so SmartScreen flags it on first launch. Click More info, then Run anyway. This only appears once per downloaded build.

Motion looks wrong in the receiver ​

  • Load the same VRM file in the receiver as in MocapSeitai. Corrections are computed for the model MocapSeitai has loaded.
  • Press Realign Actor Rig and Realign Character Rig (see Loading your model).

Hands/arms clip the body, or claps don't meet ​

See Common adjustments for tuning recipes.

Model sinks or floats when squatting ​

Check Squat body-scale correction in Smoothing. It scales hip translation by body proportion so squat depth matches. If it's off, or the Actor body measurements are inaccurate, squats can under- or over-shoot the floor.

"Body settings changed" warning ​

You changed an Actor body value while the loop was running. Press Realign Actor Rig and Realign Character Rig (see Loading your model). The warning clears once you do.

Diagnostics ​

The Diagnostics section sits at the bottom of the main panel.

  • Copy diagnostics copies a diagnostics report to the clipboard. Paste it into a bug report.
  • Open log folder opens the folder containing MocapSeitai's log file.

Filing a bug

See Report a Bug. Run Copy diagnostics first and paste the report in.