How To Fix DT472 - This table exceeds the allowed width & and bytes for ABAP runtime (&).

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 472

• Message text: This table exceeds the allowed width & and bytes for ABAP runtime (&).

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DT472 - This table exceeds the allowed width & and bytes for ABAP runtime (&). ?

  The SAP error message DT472 indicates that a table exceeds the allowed width and bytes for the ABAP runtime. This typically occurs when you are trying to create or manipulate an internal table or a database table that exceeds the maximum size limits defined by the ABAP runtime environment.
  Cause:
  
  Table Width Exceeded: The internal table or database table you are trying to define has a total width (sum of all fields) that exceeds the maximum allowed width for an internal table in ABAP.
  Data Type Limitations: The data types used in the table definition may have large sizes, leading to an overall width that surpasses the limits.
  Excessive Number of Fields: Having too many fields in a single table can also contribute to exceeding the maximum allowed width.
  
  Solution:
  
  
  Reduce Table Width:
  
  Review the fields in the table and consider removing any unnecessary fields.
  If possible, split the table into multiple smaller tables that can be processed separately.
  
  
  
  Optimize Data Types:
  
  Use more efficient data types. For example, if you are using CHAR with a large length, consider using a smaller length if feasible.
  Use STRING data type for variable-length fields instead of fixed-length character fields.
  
  
  
  Check Field Lengths:
  
  Ensure that the lengths of the fields are appropriate for the data they will hold. Avoid using maximum lengths unless necessary.
  
  
  
  Use Structures:
  
  If the table is being used for a specific purpose, consider using structures that can encapsulate related fields without exceeding the width limit.
  
  
  
  Review ABAP Code:
  
  If the error occurs during runtime, review the ABAP code to ensure that the internal table is not being populated with excessive data.
  
  
  
  Related Information:
  
  Maximum Width Limit: The maximum width for an internal table in ABAP is generally 8,000 bytes. However, this can vary based on the specific version of the ABAP runtime and the configuration of the system.
  Performance Considerations: Even if you manage to create a wide table, it may lead to performance issues. It is generally a good practice to keep internal tables as lean as possible.
  Documentation: Refer to the SAP Help Portal or the ABAP documentation for more details on data types and internal table limitations.
  
  By following these steps, you should be able to resolve the DT472 error and optimize your ABAP programs accordingly.