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AbpException: Could not find the bundle file '/libs/bootstrap/css/bootstrap.rtl.css' for the bundle 'Lepton.Global'! #4975


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bqabani created
  • ABP Framework version: v5.0.0
  • UI type: Angular
  • DB provider: EF Core
  • Tiered (MVC) or Identity Server Separated (Angular): yes
  • Lepton theme projects and volo account projects source modules are added to the solution
  • This issue appeared when we migrated from abp 4.2.1 to 5.0.0

An unhandled exception occurred while processing the request. AbpException: Could not find the bundle file '/libs/bootstrap/css/bootstrap.rtl.css' for the bundle 'Lepton.Global'! Volo.Abp.AspNetCore.Mvc.UI.Bundling.TagHelpers.AbpTagHelperResourceService.ProcessAsync(ViewContext viewContext, TagHelper tagHelper, TagHelperContext context, TagHelperOutput output, List<BundleTagHelperItem> bundleItems, string bundleName)

Stack Query Cookies Headers Routing AbpException: Could not find the bundle file '/libs/bootstrap/css/bootstrap.rtl.css' for the bundle 'Lepton.Global'! Volo.Abp.AspNetCore.Mvc.UI.Bundling.TagHelpers.AbpTagHelperResourceService.ProcessAsync(ViewContext viewContext, TagHelper tagHelper, TagHelperContext context, TagHelperOutput output, List<BundleTagHelperItem> bundleItems, string bundleName) Volo.Abp.AspNetCore.Mvc.UI.Bundling.TagHelpers.AbpBundleTagHelperService<TTagHelper, TService>.ProcessAsync(TagHelperContext context, TagHelperOutput output) Microsoft.AspNetCore.Razor.Runtime.TagHelpers.TagHelperRunner.<RunAsync>g__Awaited|0_0(Task task, TagHelperExecutionContext executionContext, int i, int count) AspNetCore._Themes_Lepton_Layouts_Account_Default+<>c__DisplayClass32_0+<<ExecuteAsync>b__0>d.MoveNext() in Default.cshtml + <abp-style-bundle name="@LeptonThemeBundles.Styles.Global" /> Microsoft.AspNetCore.Razor.Runtime.TagHelpers.TagHelperExecutionContext.SetOutputContentAsync() AspNetCore._Themes_Lepton_Layouts_Account_Default.ExecuteAsync() in Default.cshtml + <html lang="@CultureInfo.CurrentCulture.Name" dir="@langDir"> Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderPageCoreAsync(IRazorPage page, ViewContext context) Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderPageAsync(IRazorPage page, ViewContext context, bool invokeViewStarts) Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderLayoutAsync(ViewContext context, ViewBufferTextWriter bodyWriter)

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4 Answer(s)
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    liangshiwei created
    Fullstack Developer

    Hi,

    Can you try run the abp install-libs command to restore the NPM packages?

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  • User Avatar
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    bqabani created

    Hi,

    Did not work, Please note that:

    • Version is 5.0.0
    • identity is seperated
    • Account module source code is added to project
    • Lepton Theme module source code is added to project

    And I tried to create a new project with the same setup I got the same error

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    liangshiwei created
    Fullstack Developer

    ok, I will check it

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    liangshiwei created
    Fullstack Developer

    Hi,

    Here are my steps:

    • abp new Myapp -v 5.0.0 -u angular --separate-auth-server
    • Replace the Account and Lepton Theme module with source code
    • Open the package.json file to change ^5.0.0 to ~5.0.0

    Remove the node_modules folder and run the abp install-libs command

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Made with ❤️ on ABP v10.8.0-preview. Updated on September 23, 2026, 09:57
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