AI-generated Key Takeaways
- 
          Campaigns with experiments must have their own non-shared budget. 
- 
          A budget that is explicitly shared cannot be changed back to not shared. 
- 
          An account can have a maximum number of budgets, and attempting to exceed this limit will result in an error. 
- 
          A budget associated with active or paused campaigns cannot be removed. 
Note the following restrictions and common errors.
Restrictions
- Any campaign that has campaign experiments enabled must have its own non-shared budget.
Common Errors
| Error | Description | 
|---|---|
| CampaignBudgetError.CANNOT_UPDATE_CAMPAIGN_BUDGET_TO_IMPLICITLY_SHARED | Indicates that you tried to set the explicitly_sharedfield of a budget
fromtruetofalsein anupdateoperation.
Once a budget is explicitly shared
(explicitly_shared = true), you cannot changeexplicitly_sharedback tofalse. | 
| ResourceCountLimitExceededError.ACCOUNT_LIMIT | Indicates you've reached the maximum number of budgets in an account. | 
| CampaignError.CAMPAIGN_CANNOT_USE_SHARED_BUDGET | The campaign to which you're trying to add the budget is using campaign experiments, and the budget is already being used by another campaign. | 
| CampaignBudgetError.CAMPAIGN_BUDGET_IN_USE | You're trying to remove a budget associated with one or more active or paused campaigns. |