How To Fix 28643 - Maximum nesting depth for explanation reached

28643 - Overview

• Message type: E = Error

• Message class: 28 - Configuration

• Message number: 643

• Message text: Maximum nesting depth for explanation reached

What causes this issue?

The maximum nesting depth for explanations has been reached.

System Response

The system cannot branch directly to a further explanation level.

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.

Error message extract from SAP system. Copyright SAP SE.

28643 - Details

• The SAP error message 28643, "Maximum nesting depth for explanation reached," typically occurs in the context of SAP's reporting and analysis tools, particularly when dealing with complex queries or calculations that involve nested structures. This error indicates that the system has hit a limit on how deeply nested explanations or calculations can go, which can happen in various scenarios, such as when using formulas, conditions, or when generating reports.
  
  Cause:
  
  Complex Queries: The error often arises from overly complex queries or calculations that involve multiple layers of nested functions or conditions.
  Deeply Nested Structures: If you are using nested IF statements, CASE statements, or similar constructs, you may exceed the maximum allowed nesting depth.
  Performance Limitations: SAP has built-in limits to prevent performance degradation, and this error is a safeguard against excessively complex operations.
  
  
  Solution:
  
  Simplify Queries: Review the query or calculation that is causing the error. Try to simplify it by breaking it down into