`m_fNextReload` with field type `FIELD_TIME` is defined twice in shotgun save data table. https://github.com/ValveSoftware/halflife/blob/c7240b965743a53a29491dd49320c88eecf6257b/dlls/weapons.cpp#L1581-L1583 Removing one of the two would likely break current game saves, but quick saving would fix it.