How To Fix 0K559 - Data type of field & different in field catalog and data table

SAP Error Message - Details

• Message type: E = Error

• Message class: 0K - Messages for "General List Modules"

• Message number: 559

• Message text: Data type of field & different in field catalog and data table

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 0K559 - Data type of field & different in field catalog and data table ?

  The SAP error message 0K559 indicates that there is a mismatch between the data type of a field in the field catalog and the corresponding field in the data table. This error typically occurs when you are trying to display or process data in a report or a transaction that involves a field catalog, such as ALV (ABAP List Viewer) reports.
  
  Cause:
  
  Data Type Mismatch: The field in the field catalog has a different data type than the field in the data table. For example, if the field in the field catalog is defined as a character type (CHAR) but the corresponding field in the data table is defined as a numeric type (NUMC), this error will occur.
  Field Length Differences: Even if the data types are the same, differences in field lengths can also lead to this error.
  Incorrect Field Catalog Definition: The field catalog may not be defined correctly, leading to inconsistencies