How To Fix RSAR396 - Cannot generate PSAs with more than 1000 characters

RSAR396 - Overview

• Message type: E = Error

• Message class: RSAR - Data Transfer and Metadata Maintenance

• Message number: 396

• Message text: Cannot generate PSAs with more than 1000 characters

What causes this issue?

The PSA for which you want to generate an export DataSource is larger
than 1000 bytes. This causes errors when you activate the extracting
transfer rules.

System Response

Generation is not performed.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

RSAR396 - Details

• The SAP error message RSAR396, which states "Cannot generate PSAs with more than 1000 characters," typically occurs in the context of SAP BW (Business Warehouse) when trying to create or manage Persistent Staging Areas (PSAs) that exceed the character limit for certain fields.
  
  Cause:
  The error is caused by the limitation in the length of certain fields in the PSA. Specifically, the error indicates that the data being processed or the metadata associated with the PSA exceeds the maximum allowed length of 1000 characters. This can happen due to:
  
  Long Field Names: If the field names in the data source or the structure of the PSA are too long.
  Long Data Records: If the data records being loaded into the PSA contain fields that exceed the character limit.
  Complex Transformations: If transformations applied to the data result in field names or values that exceed the limit.
  
  
  Solution:
  To resolve the RSAR396 error, you can take the following