How To Fix CRM_MKTHV_PF021 - Segmentation model could not be read from shared memory

CRM_MKTHV_PF021 - Overview

• Message type: E = Error

• Message class: CRM_MKTHV_PF - Message class for high volume segmentation

• Message number: 021

• Message text: Segmentation model could not be read from shared memory

What causes this issue?

The distribution calculation was called in a background process. The
background process was unable to read the segmentation model data that
was buffered in the shared memory.

System Response

The distribution calculation is executed on the segmentation model data
stored in the database. Unsaved changes from the current model will not
be taken into account during the calculation.
If the distribution calculation uses a reference segment that has not
yet been persisted in the database, the calculation might be aborted
with an error message.

How to fix this error?

If the problem can be reproduced, get in contact with the system
administrator to analyze the reason for the shared memory error.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_MKTHV_PF021 - Segmentation model could not be read from shared memory ?

  The SAP error message CRM_MKTHV_PF021 indicates that the segmentation model could not be read from shared memory. This error typically occurs in the context of SAP Customer Relationship Management (CRM) when the system is unable to access the required segmentation model data, which is often stored in shared memory for performance reasons.
  Causes:
  
  Shared Memory Issues: The segmentation model may not be loaded into shared memory, or there may be issues with the shared memory allocation.
  Segmentation Model Not Active: The segmentation model you are trying to access may not be active or properly configured.
  System Configuration: There may be configuration issues in the SAP system that prevent the segmentation model from being accessed.
  Memory Limitations: The system may have reached its limit for shared memory allocation, causing it to fail to load the segmentation model.
  Transport Issues: If the segmentation model was recently transported from another system, it may not have been properly activated or