How To Fix UJK_MESSAGE006 - Using JS engine on large keyfigure model may result precision loss

SAP Error Message - Details

• Message type: E = Error

• Message class: UJK_MESSAGE -

• Message number: 006

• Message text: Using JS engine on large keyfigure model may result precision loss

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message UJK_MESSAGE006 - Using JS engine on large keyfigure model may result precision loss ?

  The SAP error message UJK_MESSAGE006 indicates that there may be a potential precision loss when using the JavaScript (JS) engine on a large key figure model. This typically occurs in the context of SAP Analytics Cloud (SAC) or SAP BW/4HANA when dealing with large datasets or complex calculations.
  Cause:
  
  Large Key Figure Models: When working with large datasets, especially those involving key figures with high precision (like currency or scientific data), the JavaScript engine may not handle the precision as expected.
  Data Type Limitations: JavaScript has limitations in handling large numbers and may convert them to a format that loses precision, especially when performing arithmetic operations.
  Complex Calculations: If the model involves complex calculations or aggregations, the risk of precision loss increases.
  
  Solution:
  
  Use Alternative Calculation Engines: If possible, switch to a different calculation engine that can handle large key figures without precision loss. For example, using the native calculation engine in SAP BW or HANA instead of the JS engine.
  Reduce Data Volume: If feasible, reduce the size of the dataset being processed. This can be done by filtering out unnecessary data or aggregating data before processing.
  Change Data Types: Ensure that the data types used for key figures are appropriate and can handle the required precision. For example, using decimal types instead of floating-point types where applicable.
  Review Calculations: Simplify calculations where possible to minimize the risk of precision loss. Break down complex calculations into smaller, more manageable parts.
  Testing and Validation: After making changes, thoroughly test the model to ensure that the results are accurate and that precision loss is not occurring.
  
  Related Information:
  
  Documentation: Refer to SAP's official documentation for best practices on handling large datasets and precision issues in SAP Analytics Cloud or SAP BW/4HANA.
  Community Forums: Engage with the SAP community forums or support channels for insights from other users who may have encountered similar issues.
  Updates and Patches: Ensure that your SAP system is up to date with the latest patches and updates, as these may contain fixes or improvements related to performance and precision handling.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the risk of precision loss when using the JS engine with large key figure models in SAP.