How To Fix DDLS438 - CDS view &: parameter &, type was changed

DDLS438 - Overview

• Message type: E = Error

• Message class: DDLS - For DDL source handling

• Message number: 438

• Message text: CDS view &: parameter &, type was changed

Self-Explanatory Message

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DDLS438 - Details

• The SAP error message DDLS438 indicates that there is a mismatch in the data type of a parameter in a Core Data Services (CDS) view. This typically occurs when the definition of a CDS view has been changed, and the associated data type of a parameter has been modified, leading to inconsistencies.
  
  Cause:
  
  Data Type Change: The most common cause of this error is that the data type of a parameter in the CDS view has been changed in the underlying data model or in the view definition itself.
  Inconsistent Definitions: If the CDS view is being used in multiple places (like in other views, reports, or applications), and the parameter type is changed in one location but not updated in others, it can lead to this error.
  Transport Issues: If changes were transported from one system to another (e.g., from development to quality assurance), and the target system has not been updated accordingly,