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Considerations for CRUD Operations in Active Orgs
CRUD operations on most Tooling API objects are allowed in active orgs in API version
41.0 and later, just as they are in other kinds of orgs. However, for performance reasons you
can’t perform CRUD operations in an active org for some Tooling API objects.
CRUD operations on the following Tooling API objects in an active org generate the error Save or update not supported in active organizations.
- ApexClass
- ApexComponent
- ApexPage
- ApexTrigger
- CustomField
- CustomObject