AI-generated Key Takeaways
- 
          EntityLimitReachedError.Reason provides specific reasons for hitting limits within various services. 
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          Reasons include exceeding limits on custom targeting values, ad exclusion rules, audience segments, and active placements. 
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          Other limits that can be reached include the number of line items, active line items, DAI encoding profiles, and forecast segments. 
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          Additional reasons cover exceeding limits on forecast adjustments, active experiments, sites, user teams, and active targeting presets. 
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          An "UNKNOWN" reason is returned if the actual value is not exposed by the requested API version. 
The reasons for the entity limit reached error.
- Namespace
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               https://www.google.com/apis/ads/publisher/v202502
| Enumeration | Description | 
|---|---|
| CUSTOM_TARGETING_VALUES_LIMIT_REACHED | The number of custom targeting values exceeds the max number allowed in the network. | 
| AD_EXCLUSION_RULES_LIMIT_REACHED | The number of ad exclusion rules exceeds the max number allowed in the network. | 
| FIRST_PARTY_AUDIENCE_SEGMENTS_LIMIT_REACHED | The number of first party audience segments exceeds the max number allowed in the network. | 
| PLACEMENTS_LIMIT_REACHED | The number of active placements exceeds the max number allowed in the network. | 
| LINE_ITEMS_LIMIT_REACHED | The number of line items excceeds the max number allowed in the network. | 
| ACTIVE_LINE_ITEMS_LIMIT_REACHED | The number of active line items exceeds the max number allowed in the network. | 
| DAI_ENCODING_PROFILES_LIMIT_REACHED | The number of not-archived encoding profiles exceeds the max number allowed in the network. | 
| TRAFFIC_FORECAST_SEGMENTS_LIMIT_REACHED | The number of traffic forecast segments exceeds the max number allowed in the network. | 
| FORECAST_ADJUSTMENTS_LIMIT_REACHED | The number of forecast adjustments exceeds the max number allowed in the network. | 
| ACTIVE_EXPERIMENTS_LIMIT_REACHED | The number of active experiments exceeds the max number allowed in the network. | 
| SITES_LIMIT_REACHED | The number of sites exceeds the max number allowed in the network. | 
| USER_TEAMS_LIMIT_REACHED | The number of teams on the user exceeds the max number allowed. | 
| ACTIVE_TARGETING_PRESETS_LIMIT_REACHED | The count of active targeting presets exceeds the limit. | 
| UNKNOWN | The value returned if the actual value is not exposed by the requested API version. |