How To Fix DT634 - & (Conversion & -> transparent not possible)

DT634 - Overview

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 634

• Message text: & (Conversion & -> transparent not possible)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DT634 - & (Conversion & -> transparent not possible) ?

  The SAP error message DT634, which states "Conversion & -> transparent not possible," typically occurs during data type conversion in ABAP programs or when working with database tables. This error indicates that the system is unable to convert a certain data type into a transparent format, which is often required for database operations or data processing.
  Causes:
  
  Incompatible Data Types: The error usually arises when there is an attempt to convert a complex or non-transparent data type (like a structure or internal table) into a transparent data type (like a simple data type or a flat structure).
  Field Length Issues: If the field lengths of the source and target data types do not match or are incompatible, this can lead to conversion errors.
  Data Structure Changes: If there have been changes to the data structure in the database or in the ABAP program that are not reflected in the corresponding data types, this can