You should declare body of CommandUIDefinition tag, use this code instead of your:
<CustomAction Id="{B3B7E731-A378-4823-ABCE-C0261ED41A23}"
Location="CommandUI.Ribbon"
RegistrationType="List" RegistrationId="10001">
<CommandUIExtension>
<CommandUIDefinitions>
<CommandUIDefinition Location="Ribbon.ListItem.New"></CommandUIDefinition>
<CommandUIDefinition Location="Ribbon.ListItem.Manage">
<Group
Id="Ribbon.ListItem.Manage"
Sequence="20"
Command="ListItemManageGroup"
Description=""
Title="$Resources:core,GrpManage;"
Image32by32Popup="/_layouts/$Resources:core,Language;/images/formatmap32x32.png" Image32by32PopupTop="-64" Image32by32PopupLeft="-448"
Template="Ribbon.Templates.Flexible2"
>
<Controls Id="Ribbon.ListItem.Manage.Controls">
<Button
Id="Ribbon.ListItem.Manage.ViewProperties"
Sequence="10"
Command="ViewProperties"
Image16by16="/_layouts/$Resources:core,Language;/images/formatmap16x16.png" Image16by16Top="-32" Image16by16Left="-80"
Image32by32="/_layouts/$Resources:core,Language;/images/formatmap32x32.png" Image32by32Top="-96" Image32by32Left="-448"
LabelText="$Resources:core,cui_ButViewItem;"
ToolTipTitle="$Resources:core,cui_ButViewItem;"
ToolTipDescription="$Resources:core,cui_STT_ButViewItem;"
TemplateAlias="o1"
/>
<Button
Id="Ribbon.ListItem.Manage.ViewVersions"
Sequence="30"
Command="ViewVersions"
Image16by16="/_layouts/$Resources:core,Language;/images/formatmap16x16.png" Image16by16Top="-48" Image16by16Left="-80"
Image32by32="/_layouts/$Resources:core,Language;/images/formatmap32x32.png" Image32by32Top="-64" Image32by32Left="-448"
LabelText="$Resources:core,cui_ButVersionHistory;"
ToolTipTitle="$Resources:core,cui_ButVersionHistory;"
ToolTipDescription="$Resources:core,cui_STT_ButItemVersionHistory;"
TemplateAlias="o2"
/>
<Button
Id="Ribbon.ListItem.Manage.ManagePermissions"
Sequence="40"
Command="ManagePermissions"
Image16by16="/_layouts/$Resources:core,Language;/images/formatmap16x16.png" Image16by16Top="-128" Image16by16Left="0"
Image32by32="/_layouts/$Resources:core,Language;/images/formatmap32x32.png" Image32by32Top="0" Image32by32Left="-416"
LabelText="$Resources:core,cui_ButItemPermissions;"
ToolTipTitle="$Resources:core,cui_ButItemPermissions;"
ToolTipDescription="$Resources:core,cui_STT_ButItemPermissions;"
TemplateAlias="o2"
/>
<Button
Id="Ribbon.ListItem.Manage.Delete"
Sequence="50"
Command="Delete"
Image16by16="/_layouts/$Resources:core,Language;/images/formatmap16x16.png" Image16by16Top="-112" Image16by16Left="-224"
Image32by32="/_layouts/$Resources:core,Language;/images/formatmap32x32.png" Image32by32Top="-128" Image32by32Left="-128"
LabelText="$Resources:core,cui_ButDeleteItem;"
ToolTipTitle="$Resources:core,cui_ButDeleteItem;"
ToolTipDescription="$Resources:core,cui_STT_ButDeleteItem;"
TemplateAlias="o2"
/>
</Controls>
</Group>
</CommandUIDefinition>
<CommandUIDefinition Location="Ribbon.ListForm.Display.Manage">
<Group Id="Ribbon.ListForm.Display.Manage"
Sequence="10"
Command="Ribbon.ListForm.Display.ManageGroup"
Description=""
Title="$Resources:core,GrpManage;"
Image32by32Popup="/_layouts/$Resources:core,Language;/images/formatmap32x32.png" Image32by32PopupTop="-128" Image32by32PopupLeft="-96"
Template="Ribbon.Templates.Flexible2" >
<Controls Id="Ribbon.ListForm.Display.Manage.Controls">
<Button
Id="Ribbon.ListForm.Display.Manage.EditSeries"
Sequence="20"
Command="Ribbon.ListForm.Display.Manage.EditSeries"
Image16by16="/_layouts/$Resources:core,Language;/images/formatmap16x16.png" Image16by16Top="-160" Image16by16Left="-160"
Image32by32="/_layouts/$Resources:core,Language;/images/formatmap32x32.png" Image32by32Top="-192" Image32by32Left="-320"
LabelText="$Resources:core,cui_ButListFormDisplayEditSeries;"
ToolTipTitle="$Resources:core,cui_ButListFormDisplayEditSeries;"
ToolTipDescription="$Resources:core,cui_STT_ButListFormDisplayEditSeries;"
TemplateAlias="o1"/>
<Button
Id="Ribbon.ListForm.Display.Manage.VersionHistory"
Sequence="30"
Command="Ribbon.ListForm.Display.Manage.VersionHistory"
Image16by16="/_layouts/$Resources:core,Language;/images/formatmap16x16.png" Image16by16Top="-48" Image16by16Left="-80"
Image32by32="/_layouts/$Resources:core,Language;/images/formatmap32x32.png" Image32by32Top="-64" Image32by32Left="-448"
LabelText="$Resources:core,cui_ButVersionHistory;"
ToolTipTitle="$Resources:core,cui_ButVersionHistory;"
ToolTipDescription="$Resources:core,cui_STT_ButItemVersionHistory;"
TemplateAlias="o2"/>
<Button
Id="Ribbon.ListForm.Display.Manage.ManagePermissions"
Sequence="40"
Command="Ribbon.ListForm.Display.Manage.ManagePermissions"
Image16by16="/_layouts/$Resources:core,Language;/images/formatmap16x16.png" Image16by16Top="-128" Image16by16Left="0"
Image32by32="/_layouts/$Resources:core,Language;/images/formatmap32x32.png" Image32by32Top="0" Image32by32Left="-416"
LabelText="$Resources:core,cui_ButListFormDisplayManagePermissions;"
ToolTipTitle="$Resources:core,cui_ButListFormDisplayManagePermissions;"
ToolTipDescription="$Resources:core,cui_STT_ButItemPermissions;"
TemplateAlias="o2"/>
<Button
Id="Ribbon.ListForm.Display.Manage.DeleteItem"
Sequence="50"
Command="Ribbon.ListForm.Display.Manage.DeleteItem"
Image16by16="/_layouts/$Resources:core,Language;/images/formatmap16x16.png" Image16by16Top="-112" Image16by16Left="-224"
Image32by32="/_layouts/$Resources:core,Language;/images/formatmap32x32.png" Image32by32Top="-128" Image32by32Left="-128"
LabelText="$Resources:core,cui_ButDeleteItem;"
ToolTipTitle="$Resources:core,cui_ButDeleteItem;"
ToolTipDescription="$Resources:core,cui_STT_ButListFormDeleteItem;"
TemplateAlias="o2"/>
</Controls>
</Group>
</CommandUIDefinition>
</CommandUIDefinitions>
</CommandUIExtension>
</CustomAction>
As can you see this is a copy-past of default declaration, but I missed the upload button (may be not only upload) :)