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PSA: Error: "System.LimitException: Apex heap size too large" during Plans Dataset in WorkGrid

Apex Heap Size Error during Live Data Sync in WorkGrid. This was determined a defect and resolved in a WorkGrid Service Pack.

  • Jun 25, 2026
  • Knowledge

Title
PSA: Error: "System.LimitException: Apex heap size too large" during Plans Dataset in WorkGrid
URL Name
PSA-Error-System-LimitException-Apex-heap-size-too-large-during-Plans-Dataset-in-WorkGrid

Release Version
All Versions
Symptoms
  • When Plans Dataset is ran for WorkGrid, error occurs:
    • "System.LimitException: Apex heap size too large: 19336411"
Resolution
  • Upgrade to WorkGrid May 2026 SP2
Cause
  • Known Defect
Additional Notes
Customer Success CloudOrganization Setup And AdministrationFinancial Management CloudIntegrationsReporting & AnalyticsProfessional Services Cloud
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Knowledge:PSA: Error: "System.LimitException: Apex heap size too large" during Plans Dataset in WorkGrid