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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSAR396 - Cannot generate PSAs with more than 1000 characters ?

  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 steps:
  
  
  Check Field Lengths: Review the field names and data types in the source system and ensure that they do not exceed the 1000-character limit. If they do, consider renaming fields or reducing their length.
  
  
  Modify Data Source: If the data source is generating long field names or values, consider modifying the data extraction logic to shorten them.
  
  
  Adjust Transformations: If you are using transformations that create new fields or modify existing ones, ensure that the resulting field names and values do not exceed the character limit.
  
  
  Use Shorter Names: If possible, use shorter names for InfoObjects and fields in your data model to avoid hitting the character limit.
  
  
  Check PSA Settings: Review the settings of the PSA to ensure that it is configured correctly and that there are no unnecessary complexities that could lead to longer field names.
  
  
  Test with Sample Data: If you are unsure which specific field is causing the issue, try loading a smaller subset of data to identify the problematic fields.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or patches related to this error.
  Documentation: Review SAP BW documentation for best practices on data modeling and PSA management.
  Community Forums: Engage with SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the RSAR396 error in your SAP BW environment.