AI-generated Key Takeaways
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The document describes an enum detailing possible errors related to Feed Item Sets.
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Errors cover issues such as referencing a removed FeedItemSet, inability to modify dynamic filters, invalid feed types, duplicate names, and incorrect dynamic filter usage for the feed type.
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Specific errors are also mentioned for invalid chain IDs in dynamic filters for AffiliateLocationFeedData.
 
Enum describing possible feed item set errors.
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                Enum unspecified. | 
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                The received error code is not known in this version. | 
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                The given ID refers to a removed FeedItemSet. | 
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                The dynamic filter of a feed item set cannot be cleared on UPDATE if it exists. A set is either static or dynamic once added, and that cannot change. | 
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                The dynamic filter of a feed item set cannot be created on UPDATE if it does not exist. A set is either static or dynamic once added, and that cannot change. | 
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                FeedItemSets can only be made for location or affiliate location feeds. | 
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                FeedItemSets duplicate name. Name should be unique within an account. | 
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                The feed type of the parent Feed is not compatible with the type of dynamic filter being set. For example, you can only set dynamic_location_set_filter for LOCATION feed item sets. | 
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                Chain ID specified for AffiliateLocationFeedData is invalid. |