Issues with Event Visibility in Kapa AI Insights and Lexicon

Andrew S. · 2025-05-08T14:56:28.665Z

I have two events that show up in an insight when I run an insight from 1/1/2024 to the present. When I look in the Lexicon, I can only find one of them. When I select that one in the Lexicon, I do not get the option to "unmerge" so it was not previously merged. Why can't I select both events in the Lexicon?

Issues with Event Visibility in Kapa AI Insights and Lexicon | Mixpanel Community

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kapa.ai
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Please stand by Andrew S. as I search the knowledge base. I normally take about 15 seconds or so. 👋
Feel free to ask a follow-up question once I've answered by mentioning me with @kapa.ai
kapa.ai
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Based on the information provided, it appears you're experiencing a discrepancy between what's visible in your Insights report versus what's available in Lexicon. This is likely due to how Mixpanel handles inactive events.The most probable explanation is that one of your events is visible in Insights because it has data within your selected date range (1/1/2024 to present), but it doesn't appear in Lexicon because it might be considered "inactive" or doesn't have an associated schema.Mixpanel's Lexicon UI shows two types of events: 1. Events that have been sent to your project within the last 30 days 2. Events that have an associated Lexicon Schema (created through API, CSV import, or by adding metadata)If an event hasn't been fired in the last 30 days and doesn't have any associated schema information (like descriptions, tags, etc.), it won't appear in Lexicon even though it exists in your historical data and can be queried in reports like Insights.As noted in the documentation: "Mixpanel's report dropdown menus hide events that have not been fired within the last 30 days. The only exception are events that have been modified via the Lexicon interface, eg: by adding a description, hiding the event, changing the display name, etc." Check for Hidden Events and PropertiesTo make the missing event appear in Lexicon, you can: 1. Fire a single instance of that event to resurface it in the UI 2. Search for it by name in the dropdown menu (case sensitive) 3. Add metadata to it (like a description) which will create a schema for itThis behavior is designed to reduce clutter from events that are no longer actively firing while still allowing you to query historical data.
kapa.ai is still learning and improving, please let me know how I did by reacting below.
ℹ️ Tip: Mention @kapa.ai in the thread for follow-ups or DM the app for 1-to-1 help.

kapa.ai
APP
·
·
Please stand by Andrew S. as I search the knowledge base. I normally take about 15 seconds or so. 👋
Feel free to ask a follow-up question once I've answered by mentioning me with @kapa.ai
kapa.ai
APP
·
·
Based on the information provided, it appears you're experiencing a discrepancy between what's visible in your Insights report versus what's available in Lexicon. This is likely due to how Mixpanel handles inactive events.The most probable explanation is that one of your events is visible in Insights because it has data within your selected date range (1/1/2024 to present), but it doesn't appear in Lexicon because it might be considered "inactive" or doesn't have an associated schema.Mixpanel's Lexicon UI shows two types of events: 1. Events that have been sent to your project within the last 30 days 2. Events that have an associated Lexicon Schema (created through API, CSV import, or by adding metadata)If an event hasn't been fired in the last 30 days and doesn't have any associated schema information (like descriptions, tags, etc.), it won't appear in Lexicon even though it exists in your historical data and can be queried in reports like Insights.As noted in the documentation: "Mixpanel's report dropdown menus hide events that have not been fired within the last 30 days. The only exception are events that have been modified via the Lexicon interface, eg: by adding a description, hiding the event, changing the display name, etc." Check for Hidden Events and PropertiesTo make the missing event appear in Lexicon, you can: 1. Fire a single instance of that event to resurface it in the UI 2. Search for it by name in the dropdown menu (case sensitive) 3. Add metadata to it (like a description) which will create a schema for itThis behavior is designed to reduce clutter from events that are no longer actively firing while still allowing you to query historical data.
kapa.ai is still learning and improving, please let me know how I did by reacting below.
ℹ️ Tip: Mention @kapa.ai in the thread for follow-ups or DM the app for 1-to-1 help.