I already reported this in game. Playing as Japan with my standard setup:  1890, historical enemies, normal difficulty, selective and create own fleet. Unable to move ships from Muroran and Naha to Sasebo as the "Move" button is greyed out.  Ship type and number does not seem to matter.  All other starting Japanese ports work just fine. My current thinking is that this is related to the "Yes" button issue others are reporting.
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