Changes
remove duplicate heading2 & content2
{{Sidebar
| name = {{#if:{{{templatename|}}} |{{{templatename}}} |{{{name|{{PAGENAME}}}}} }}
| float = {{{float|right}}}
| class = {{{class|{{{bodyclass|}}}}}}
| style = width:auto;background:#f5faff;font-size:90%;line-height:1.6em; {{#if:{{{1|}}} |{{{1}}} }}
| basestyle = background:#cee0f2;
| titlestyle = font-size:130%;padding-left:0.4em;padding-right:0.4em; <!--(gap before first heading/content:)-->display:block;margin-bottom:6px; {{{titlestyle|}}}
| title = {{{title|{{{name|}}}}}}
| headingstyle = padding:0.1em 0.25em 0.15em;{{{headingstyle|}}}
| contentstyle = padding-top:0.15em;
| heading1 = {{{group1|}}}
| content1 = {{{list1|}}}
| heading2 = {{{group2|}}}
| content2 = {{{list2|}}}
| heading3 = {{{group3|}}}
| content3 = {{{list3|}}}
| heading4 = {{{group4|}}}
| content4 = {{{list4|}}}
| heading5 = {{{group5|}}}
| content5 = {{{list5|}}}
| heading6 = {{{group6|}}}
| content6 = {{{list6|}}}
| heading7 = {{{group7|}}}
| content7 = {{{list7|}}}
| heading8 = {{{group8|}}}
| content8 = {{{list8|}}}
| heading9 = {{{group9|}}}
| content9 = {{{list9|}}}
| heading10 = {{{group10|}}}
| content10 = {{{list10|}}}
| heading11 = {{{group11|}}}
| content11 = {{{list11|}}}
| heading12 = {{{group12|}}}
| content12 = {{{list12|}}}
| heading13 = {{{group13|}}}
| content13 = {{{list13|}}}
| heading14 = {{{group14|}}}
| content14 = {{{list14|}}}
| heading15 = {{{group15|}}}
| content15 = {{{list15|}}}
| heading16 = {{{group16|}}}
| content16 = {{{list16|}}}
| heading17 = {{{group17|}}}
| content17 = {{{list17|}}}
| heading18 = {{{group18|}}}
| content18 = {{{list18|}}}
| heading19 = {{{group19|}}}
| content19 = {{{list19|}}}
| heading20 = {{{group20|}}}
| content20 = {{{list20|}}}
| navbar = {{#if:{{{templatename|}}} |
| {{#if:{{{title|}}} |{{#if:{{{name|}}} | |none}}
| none
}} }}
}}<noinclude>{{Documentation}}</noinclude>
| name = {{#if:{{{templatename|}}} |{{{templatename}}} |{{{name|{{PAGENAME}}}}} }}
| float = {{{float|right}}}
| class = {{{class|{{{bodyclass|}}}}}}
| style = width:auto;background:#f5faff;font-size:90%;line-height:1.6em; {{#if:{{{1|}}} |{{{1}}} }}
| basestyle = background:#cee0f2;
| titlestyle = font-size:130%;padding-left:0.4em;padding-right:0.4em; <!--(gap before first heading/content:)-->display:block;margin-bottom:6px; {{{titlestyle|}}}
| title = {{{title|{{{name|}}}}}}
| headingstyle = padding:0.1em 0.25em 0.15em;{{{headingstyle|}}}
| contentstyle = padding-top:0.15em;
| heading1 = {{{group1|}}}
| content1 = {{{list1|}}}
| heading2 = {{{group2|}}}
| content2 = {{{list2|}}}
| heading3 = {{{group3|}}}
| content3 = {{{list3|}}}
| heading4 = {{{group4|}}}
| content4 = {{{list4|}}}
| heading5 = {{{group5|}}}
| content5 = {{{list5|}}}
| heading6 = {{{group6|}}}
| content6 = {{{list6|}}}
| heading7 = {{{group7|}}}
| content7 = {{{list7|}}}
| heading8 = {{{group8|}}}
| content8 = {{{list8|}}}
| heading9 = {{{group9|}}}
| content9 = {{{list9|}}}
| heading10 = {{{group10|}}}
| content10 = {{{list10|}}}
| heading11 = {{{group11|}}}
| content11 = {{{list11|}}}
| heading12 = {{{group12|}}}
| content12 = {{{list12|}}}
| heading13 = {{{group13|}}}
| content13 = {{{list13|}}}
| heading14 = {{{group14|}}}
| content14 = {{{list14|}}}
| heading15 = {{{group15|}}}
| content15 = {{{list15|}}}
| heading16 = {{{group16|}}}
| content16 = {{{list16|}}}
| heading17 = {{{group17|}}}
| content17 = {{{list17|}}}
| heading18 = {{{group18|}}}
| content18 = {{{list18|}}}
| heading19 = {{{group19|}}}
| content19 = {{{list19|}}}
| heading20 = {{{group20|}}}
| content20 = {{{list20|}}}
| navbar = {{#if:{{{templatename|}}} |
| {{#if:{{{title|}}} |{{#if:{{{name|}}} | |none}}
| none
}} }}
}}<noinclude>{{Documentation}}</noinclude>