PGA memory used by the instance exceeds PGA_AGGREGATE_LIMIT of 30720 MB

Oracle Database - Enterprise Edition - Version 12.1.0.1 and later
Information in this document applies to any platform.

If the value of PGA_AGGREGATE_LIMIT is reached, an error will be reported.

ORA-04036: PGA memory used by the instance exceeds PGA_AGGREGATE_LIMIT

Cause: Private memory across the instance exceeded the limit specified in the PGA_AGGREGATE_LIMIT initialization parameter. The largest sessions using Program Global Area (PGA) memory were interrupted to get under the limit.

Action: Increase the PGA_AGGREGATE_LIMIT initialization parameter or reduce memory usage.