How To Fix RSAR318 - & &: Data type changed to CHAR.

RSAR318 - Overview

• Message type: E = Error

• Message class: RSAR - Data Transfer and Metadata Maintenance

• Message number: 318

• Message text: & &: Data type changed to CHAR.

What causes this issue?

With source systems of this type only those data types that are
displayed internally as characters (ABAP data types &V3&) can be used.
Only in this way can the transferred data be correctly converted
according to the character records used in the source system and in the
Business Information Warehouse.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSAR318 - & &: Data type changed to CHAR. ?

  The SAP error message RSAR318, which states "Data type changed to CHAR," typically occurs in the context of data extraction or data transfer processes, particularly when using SAP's Data Warehousing or Business Intelligence tools. This message indicates that the data type of a field has been altered from its original type to a character (CHAR) type, which can lead to issues in data processing or reporting.
  
  Cause:
  
  
  Data Type Mismatch: The primary cause of this error is a mismatch between the expected data type in the target system and the actual data type being sent from the source system. For example, if a numeric field is expected but a character field is received, SAP may convert the data type to CHAR to avoid errors.
  
  
  Changes in Data Source: If there have been changes in the data source (like changes in the underlying database schema or data types), this can lead to discrepancies in