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  • Tom 12 posts 82 karma points
    Jul 04, 2023 @ 09:01
    Tom
    0

    Failed to retrieve data from content id XXXX Umbraco v10

    Using Umbraco And Getting Started
    Umbraco 9

    I'm experiencing this issue in Umbraco 10.5.1 backoffice when trying to view some of my nodes in the Content section.

    Received an error from the server

    An error occurred

    Sequence contains more than one matching element

    Exception Details

    System.InvalidOperationException, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e: Sequence contains more than one matching element

    Stacktrace

    at System.Linq.ThrowHelper.ThrowMoreThanOneMatchException()

    at System.Linq.Enumerable.TryGetSingle[TSource](IEnumerable1 source, Func2 predicate, Boolean& found) at Umbraco.Cms.Core.PropertyEditors.PropertyEditorCollection.getItem(String alias) at Umbraco.Cms.Core.Models.Mapping.ContentPropertyBasicMapper1.Map(IProperty property, TDestination dest, MapperContext context) at Umbraco.Cms.Core.Models.Mapping.ContentPropertyDisplayMapper.Map(IProperty originalProp, ContentPropertyDisplay dest, MapperContext context) at Umbraco.Cms.Core.Mapping.UmbracoMapper.Map[TTarget](Object source, Type sourceType, MapperContext context) at Umbraco.Cms.Core.Mapping.UmbracoMapper.Map[TSource,TTarget](TSource source, MapperContext context) at System.Linq.Enumerable.SelectIPartitionIterator2.MoveNext() at System.Linq.Enumerable.WhereEnumerableIterator1.ToList() at System.Linq.Enumerable.ToList[TSource](IEnumerable1 source) at Umbraco.Cms.Core.Models.Mapping.TabsAndPropertiesMapper.MapProperties(IContentBase content, List1 properties, MapperContext context) at Umbraco.Cms.Core.Models.Mapping.TabsAndPropertiesMapper1.Map(TSource source, MapperContext context) at Umbraco.Cms.Web.BackOffice.Mapping.ContentMapDefinition.Map(IContent source, ContentVariantDisplay target, MapperContext context) at Umbraco.Cms.Web.BackOffice.Mapping.ContentMapDefinition.Map(IContent source, ContentVariantScheduleDisplay target, MapperContext context) at Umbraco.Cms.Core.Mapping.UmbracoMapper.Map[TTarget](Object source, Type sourceType, MapperContext context) at Umbraco.Cms.Core.Mapping.UmbracoMapper.Map[TTarget](Object source, MapperContext context) at Umbraco.Cms.Core.Models.Mapping.ContentVariantMapper.CreateVariantDisplay[TVariant](MapperContext context, IContent content, Language language, String segment) at Umbraco.Cms.Core.Models.Mapping.ContentVariantMapper.<>cDisplayClass901.b__0(Language language) at System.Linq.Enumerable.SelectListIterator2.MoveNext() at System.Linq.Enumerable.WhereEnumerableIterator1.ToList() at System.Linq.Enumerable.ToList[TSource](IEnumerable1 source) at Umbraco.Cms.Core.Models.Mapping.ContentVariantMapper.Map[TVariant](IContent source, MapperContext context) at Umbraco.Cms.Web.BackOffice.Mapping.ContentMapDefinition.Map[TVariant](IContent source, ContentItemDisplay`1 target, MapperContext context) at Umbraco.Cms.Core.Mapping.UmbracoMapper.Map[TTarget](Object source, Type sourceType, MapperContext context) at Umbraco.Cms.Core.Mapping.UmbracoMapper.Map[TTarget](Object source, MapperContext context) at Umbraco.Cms.Web.BackOffice.Controllers.ContentController.MapToDisplayWithSchedule(IContent content) at Umbraco.Cms.Web.BackOffice.Controllers.ContentController.GetById(Int32 id) at lambdamethod1638(Closure , Object , Object[] ) at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.SyncObjectResultExecutor.Execute(IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments) at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.1(ControllerActionInvoker invoker) at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.

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  • Dave Woestenborghs 3504 posts 12133 karma points MVP 8x admin c-trib
    Jul 04, 2023 @ 11:16
    Dave Woestenborghs
    0

    Hi,

    I had this before. It was because of a duplicate datatype.

    THis post helped me : https://our.umbraco.com/forum/using-umbraco-and-getting-started/109541-throws-an-error-while-adding-a-property-in-a-document-type#comment-344355

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  • Dave Woestenborghs 3504 posts 12133 karma points MVP 8x admin c-trib
    Jul 04, 2023 @ 14:46
    Dave Woestenborghs
    0

    I just put in a view of my homepage and then try to view that.

    I had a duplicate form picker.

    Dave

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  • Tom 12 posts 82 karma points
    Jul 24, 2023 @ 08:33
    Tom
    0

    How did you delete that?

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