--- title: Business Key Terms amount (Business Rule) description: This business rule checks the number of business key terms of a model object. --- [Skip to content](https://knowledge.bigenius-x.com/business-key-terms-amount-business-rule#main-content) [Contact us](https://knowledge.bigenius-x.com/kb-tickets/new?hsLang=en) [Go to Customer Portal](https://knowledge.bigenius-x.com/customer-portal?hsLang=en) [![TRI\_Logo\_biGENIUS\_2020\_RGB\_s](https://knowledge.bigenius-x.com/hs-fs/hubfs/Marketing/TRI_Logo_biGENIUS_2020_RGB_s.png?width=150&height=42&name=TRI_Logo_biGENIUS_2020_RGB_s.png)](https://www.bigenius-x.com/) Open main navigation Close main navigation - [Contact us](https://knowledge.bigenius-x.com/kb-tickets/new) - [Go to Customer Portal](https://knowledge.bigenius-x.com/customer-portal) How can we help you? - There are no suggestions because the search field is empty. 1. [biGENIUS-X Knowledge Base](https://knowledge.bigenius-x.com/?hsLang=en) 2. [Best practices](https://knowledge.bigenius-x.com/best-practices?hsLang=en) 3. [Business Rules](https://knowledge.bigenius-x.com/best-practices?hsLang=en#business-rules) # Business Key Terms amount (Business Rule) **Applies to** Platform: Microsoft SQL Server · Snowflake · Snowflake dbt · Databricks · Databricks dbt · Fabric Lakehouse · Fabric Warehouse · Oracle Architecture: Data Store · Data Vault · Dimensional · Data Mart This business rule checks the number of business key terms of a model object. It raises an error when a model object that needs a business key has none, and a warning when a satellite has business key terms. The rule ID is ID-10012. ### Messages Each message names the model object and its type in place of `` and ``. The Generate Artifacts page lists the messages without the rule ID. #### No business key term The client shows an error with this text: ``` Model object '' of type '' has the wrong amount of business key terms defined. The amount of business key terms should be above or equal to 1. ``` On the model object card, point to the error icon to see this message with the rule ID: Error ID-10012. Cause: no term of the model object is marked as business key. The rule checks Store Entity, Entity, Mart Dimension, Reference Table and the Hub and Link types of Data Vault, including their Business Vault variants. The error blocks generation in the client. Fix: open Manage Terms and mark at least one term as business key. #### Business key term on a satellite The client shows a warning with this text: ``` Model object '' of type '' has the wrong amount of business key terms defined. The amount of business key terms should be below or equal to 0. ``` On the model object card, point to the warning icon to see this message with the rule ID: Warning ID-10012. ![Warning popup of a Multi-Active Satellite card with Warning ID-10012 and the message details](https://knowledge.bigenius-x.com/hs-fs/hubfs/image-png-Sep-18-2024-01-17-06-2497-PM.png?width=633&height=176&name=image-png-Sep-18-2024-01-17-06-2497-PM.png) Cause: a term of a satellite, for example a Satellite, Link Satellite or Multi-Active Satellite, is marked as business key. A satellite gets its key through its relationship to the Hub or Link. Fix: open Manage Terms and clear the business key mark of the satellite's terms. ### Check the result The error or warning icon is gone from the model object. After the error is fixed, generation is no longer blocked by it. ### Example In a Data Mart project on Microsoft SQL Server, the business key mark is cleared on all terms of the Mart Dimension `bk_multipart_not_nullable`. The client shows: ``` Model object 'bk_multipart_not_nullable' of type 'Mart Dimension' has the wrong amount of business key terms defined. The amount of business key terms should be above or equal to 1. ``` ### Related articles - See also: [Edit a Term](https://knowledge.bigenius-x.com/edit-a-term?hsLang=en), [Business Key Terms not nullable (Business Rule)](https://knowledge.bigenius-x.com/business-key-terms-not-nullable-business-rule?hsLang=en), [Understand warnings and errors](https://knowledge.bigenius-x.com/understand-warnings-and-errors?hsLang=en) - [Getting started](https://knowledge.bigenius-x.com/getting-started?hsLang=en#main-content) - [Guidelines](https://knowledge.bigenius-x.com/getting-started?hsLang=en#guidelines) - [Start working](https://knowledge.bigenius-x.com/getting-started?hsLang=en#start-working) - [Account](https://knowledge.bigenius-x.com/getting-started?hsLang=en#account) - [General overview](https://knowledge.bigenius-x.com/general-overview?hsLang=en) - [Artificial Intelligence](https://knowledge.bigenius-x.com/artificial-intelligence?hsLang=en) - [Application Modules](https://knowledge.bigenius-x.com/application-modules?hsLang=en#main-content) - 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