i have changed **Root Element Name** of the schema and after changing this I m not able to open the schema. While opening schema I m getti8ng following error

    (80040356) Unable to retrieve converted schema
    Type 'uuid:62a5abb0-5a32-414f-b1b9-0c3705e0e815:Content' is not declared.
    
    Type 'uuid:62a5abb0-5a32-414f-b1b9-0c3705e0e815:Content' is not declared.

**Source:**

    <xsd:schema elementFormDefault="qualified" targetNamespace="uuid:62a5abb0-5a32-414f-b1b9-0c3705e0e815" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="uuid:62a5abb0-5a32-414f-b1b9-0c3705e0e815" xmlns:tcmi="http://www.tridion.com/ContentManager/5.0/Instance" xmlns:category="tcm:0-2-1/Categories.xsd">
          <xsd:import namespace="http://www.tridion.com/ContentManager/5.0/Instance" />
          <xsd:include xlink:href="tcm:0-3250-8" xmlns:xlink="http://www.w3.org/1999/xlink" />
          <xsd:include xlink:href="tcm:0-110119-8" xmlns:xlink="http://www.w3.org/1999/xlink" />
          <xsd:import namespace="tcm:0-2-1/Categories.xsd" />
          <xsd:annotation>
            <xsd:appinfo>
              <tcm:Labels xmlns:tcm="http://www.tridion.com/ContentManager/5.0">
                <tcm:Label ElementName="tableName" Metadata="false">Table Name</tcm:Label>
                <tcm:Label ElementName="TableSubHeading" Metadata="false">Table SubHeading</tcm:Label>
                <tcm:Label ElementName="tableNumber" Metadata="false">Table Number</tcm:Label>
                <tcm:Label ElementName="tableLayout" Metadata="false">Table Layout</tcm:Label>
                <tcm:Label ElementName="periodDisplayType" Metadata="false">Period Display Type</tcm:Label>
                <tcm:Label ElementName="FontSize" Metadata="false">Font Size</tcm:Label>
                <tcm:Label ElementName="footnote-new" Metadata="false">Table Level Footnotes</tcm:Label>
                <tcm:Label ElementName="includedDataType" Metadata="false">Included data type</tcm:Label>
                <tcm:Label ElementName="ChartName" Metadata="false">Chart Name</tcm:Label>
                <tcm:Label ElementName="chartType" Metadata="false">Chart Type</tcm:Label>
                <tcm:Label ElementName="MultiChart1" Metadata="false">Multi Chart Option 1</tcm:Label>
                <tcm:Label ElementName="MultiChart2" Metadata="false">Multi Chart Option 2</tcm:Label>
                <tcm:Label ElementName="startDate" Metadata="false">Start Date</tcm:Label>
                <tcm:Label ElementName="ChartYLabel" Metadata="false">Chart Y-Axis Label</tcm:Label>
                <tcm:Label ElementName="tableHeaderRows" Metadata="false">Table Header Rows</tcm:Label>
              </tcm:Labels>
            </xsd:appinfo>
          </xsd:annotation>
          <xsd:element name="EconomicTableDefinition">
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element name="tableName" minOccurs="1" maxOccurs="1" type="xsd:normalizedString">
                  <xsd:annotation>
                    <xsd:appinfo>
                      <tcm:ExtensionXml xmlns:tcm="http://www.tridion.com/ContentManager/5.0" />
                    </xsd:appinfo>
                  </xsd:annotation>
                </xsd:element>
                <xsd:element name="TableSubHeading" minOccurs="0" maxOccurs="1" type="category:EconomicTableSubheading">
                  <xsd:annotation>
                    <xsd:appinfo>
                      <tcm:ExtensionXml xmlns:tcm="http://www.tridion.com/ContentManager/5.0" />
                      <tcm:Size xmlns:tcm="http://www.tridion.com/ContentManager/5.0">1</tcm:Size>
                      <tcm:listtype xmlns:tcm="http://www.tridion.com/ContentManager/5.0">select</tcm:listtype>
                    </xsd:appinfo>
                  </xsd:annotation>
                </xsd:element>
                <xsd:element name="tableNumber" minOccurs="1" maxOccurs="1" type="xsd:normalizedString">
                  <xsd:annotation>
                    <xsd:appinfo>
                      <tcm:ExtensionXml xmlns:tcm="http://www.tridion.com/ContentManager/5.0" />
                    </xsd:appinfo>
                  </xsd:annotation>
                </xsd:element>
                <xsd:element name="tableLayout" minOccurs="1" maxOccurs="1" type="category:TableLayout">
                  <xsd:annotation>
                    <xsd:appinfo>
                      <tcm:ExtensionXml xmlns:tcm="http://www.tridion.com/ContentManager/5.0" />
                      <tcm:Size xmlns:tcm="http://www.tridion.com/ContentManager/5.0">1</tcm:Size>
                      <tcm:listtype xmlns:tcm="http://www.tridion.com/ContentManager/5.0">select</tcm:listtype>
                    </xsd:appinfo>
                  </xsd:annotation>
                </xsd:element>
                <xsd:element name="periodDisplayType" minOccurs="1" maxOccurs="1" type="category:economic-tables-periodtypes">
                  <xsd:annotation>
                    <xsd:appinfo>
                      <tcm:CustomURL xmlns:tcm="http://www.tridion.com/ContentManager/5.0">/economic-tables/help/economic-tables-schema-help.html#periodDisplayType</tcm:CustomURL>
                      <tcm:ExtensionXml xmlns:tcm="http://www.tridion.com/ContentManager/5.0" />
                      <tcm:Size xmlns:tcm="http://www.tridion.com/ContentManager/5.0">1</tcm:Size>
                      <tcm:listtype xmlns:tcm="http://www.tridion.com/ContentManager/5.0">select</tcm:listtype>
                    </xsd:appinfo>
                  </xsd:annotation>
                </xsd:element>
                <xsd:element name="FontSize" minOccurs="0" maxOccurs="1" type="category:fontSize">
                  <xsd:annotation>
                    <xsd:appinfo>
                      <tcm:ExtensionXml xmlns:tcm="http://www.tridion.com/ContentManager/5.0" />
                      <tcm:DefaultSimpleLinkValue xlink:href="tcm:0-113386-1024" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:tcm="http://www.tridion.com/ContentManager/5.0" />
                      <tcm:Size xmlns:tcm="http://www.tridion.com/ContentManager/5.0">1</tcm:Size>
                      <tcm:listtype xmlns:tcm="http://www.tridion.com/ContentManager/5.0">select</tcm:listtype>
                    </xsd:appinfo>
                  </xsd:annotation>
                </xsd:element>
                <xsd:element name="footnote-new" minOccurs="0" maxOccurs="unbounded" type="Content">
                  <xsd:annotation>
                    <xsd:appinfo>
                      <tcm:ExtensionXml xmlns:tcm="http://www.tridion.com/ContentManager/5.0" />
                      <tcm:EmbeddedSchema xlink:href="tcm:0-110119-8" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:tcm="http://www.tridion.com/ContentManager/5.0" />
                    </xsd:appinfo>
                  </xsd:annotation>
                </xsd:element>
                <xsd:element name="includedDataType" minOccurs="1" maxOccurs="unbounded" type="category:DataType">
                  <xsd:annotation>
                    <xsd:appinfo>
                      <tcm:ExtensionXml xmlns:tcm="http://www.tridion.com/ContentManager/5.0" />
                      <tcm:Size xmlns:tcm="http://www.tridion.com/ContentManager/5.0">3</tcm:Size>
                      <tcm:listtype xmlns:tcm="http://www.tridion.com/ContentManager/5.0">checkbox</tcm:listtype>
                    </xsd:appinfo>
                  </xsd:annotation>
                </xsd:element>
                <xsd:element name="ChartName" minOccurs="0" maxOccurs="1" type="xsd:normalizedString">
                  <xsd:annotation>
                    <xsd:appinfo>
                      <tcm:ExtensionXml xmlns:tcm="http://www.tridion.com/ContentManager/5.0" />
                    </xsd:appinfo>
                  </xsd:annotation>
                </xsd:element>
                <xsd:element name="chartType" minOccurs="1" maxOccurs="unbounded" type="category:ChartType">
                  <xsd:annotation>
                    <xsd:appinfo>
                      <tcm:ExtensionXml xmlns:tcm="http://www.tridion.com/ContentManager/5.0" />
                      <tcm:Size xmlns:tcm="http://www.tridion.com/ContentManager/5.0">6</tcm:Size>
                      <tcm:listtype xmlns:tcm="http://www.tridion.com/ContentManager/5.0">checkbox</tcm:listtype>
                    </xsd:appinfo>
                  </xsd:annotation>
                </xsd:element>
                <xsd:element name="MultiChart1" minOccurs="1" maxOccurs="1" type="category:ChartType">
                  <xsd:annotation>
                    <xsd:appinfo>
                      <tcm:ExtensionXml xmlns:tcm="http://www.tridion.com/ContentManager/5.0" />
                      <tcm:DefaultSimpleLinkValue xlink:href="tcm:0-3207-1024" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:tcm="http://www.tridion.com/ContentManager/5.0" />
                      <tcm:Size xmlns:tcm="http://www.tridion.com/ContentManager/5.0">6</tcm:Size>
                      <tcm:listtype xmlns:tcm="http://www.tridion.com/ContentManager/5.0">radio</tcm:listtype>
                    </xsd:appinfo>
                  </xsd:annotation>
                </xsd:element>
                <xsd:element name="MultiChart2" minOccurs="1" maxOccurs="1" type="category:ChartType">
                  <xsd:annotation>
                    <xsd:appinfo>
                      <tcm:ExtensionXml xmlns:tcm="http://www.tridion.com/ContentManager/5.0" />
                      <tcm:DefaultSimpleLinkValue xlink:href="tcm:0-3207-1024" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:tcm="http://www.tridion.com/ContentManager/5.0" />
                      <tcm:Size xmlns:tcm="http://www.tridion.com/ContentManager/5.0">6</tcm:Size>
                      <tcm:listtype xmlns:tcm="http://www.tridion.com/ContentManager/5.0">radio</tcm:listtype>
                    </xsd:appinfo>
                  </xsd:annotation>
                </xsd:element>
                <xsd:element name="startDate" minOccurs="1" maxOccurs="1" type="xsd:dateTime">
                  <xsd:annotation>
                    <xsd:appinfo>
                      <tcm:ExtensionXml xmlns:tcm="http://www.tridion.com/ContentManager/5.0" />
                    </xsd:appinfo>
                  </xsd:annotation>
                </xsd:element>
                <xsd:element name="ChartYLabel" minOccurs="0" maxOccurs="1" type="xsd:normalizedString">
                  <xsd:annotation>
                    <xsd:appinfo>
                      <tcm:ExtensionXml xmlns:tcm="http://www.tridion.com/ContentManager/5.0" />
                    </xsd:appinfo>
                  </xsd:annotation>
                </xsd:element>
                <xsd:element name="tableHeaderRows" minOccurs="1" maxOccurs="unbounded" type="TableRow">
                  <xsd:annotation>
                    <xsd:appinfo>
                      <tcm:ExtensionXml xmlns:tcm="http://www.tridion.com/ContentManager/5.0" />
                      <tcm:EmbeddedSchema xlink:href="tcm:0-3250-8" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:tcm="http://www.tridion.com/ContentManager/5.0" />
                    </xsd:appinfo>
                  </xsd:annotation>
                </xsd:element>
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
        </xsd:schema>

I m using SDL Web8.5