A row on the Gantt represents any schedulable or time-based entity that needs to be rendered in the timeline view. Common row types include:
Service Resources
Each technician, worker, or field agent displayed on the Gantt counts as one row.
Absence Records
Approved absences (such as leave, training, or time off) associated with service resources also count as rows.
Other Schedulable Resources
Any additional resources configured to appear on the Gantt (for example, crews or capacity-based resources) are included in the row count.
In short, every visible resource or resource-related time block displayed vertically on the Gantt contributes to the total row count.
The Salesforce Field Service Gantt supports up to 500 rows at a time.
If the total number of rows exceeds this limit, the Gantt cannot render the view and displays the error message.
When the row limit is exceeded:
The Gantt does not display all resources
The system prompts you to narrow your selection
Performance and visibility are restricted until the row count is reduced
This safeguard helps maintain system performance and prevents long load times or browser issues.
To stay within the 500-row limit, apply one or more filters to reduce the number of displayed rows:
Service Territory
Select fewer or more specific territories instead of a broad region.
Service Resource Type
Filter by specific resource types (for example, technicians only).
Skills
Limit the view to resources with required or relevant skills.
Date Range
Narrow the timeline to a shorter period to reduce overlapping absences and availability records.
Resource Availability
Show only available or active resources.
Create saved Gantt views with predefined filters for different teams or regions
Avoid selecting all territories at once in large orgs
Regularly review absence and resource configurations to avoid unnecessary rows
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