How To Fix TW001 - Internal error: Constant & is defined too small in &

TW001 - Overview

• Message type: E = Error

• Message class: TW - R3trans - Messages

• Message number: 001

• Message text: Internal error: Constant & is defined too small in &

What causes this issue?

An internal error occurred in R3TRANS. A program constant is too small.

System Response

R3TRANS terminates.

How to fix this error?

Contact the SAP hotline.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TW001 - Internal error: Constant & is defined too small in & ?

  The SAP error message TW001 ("Internal error: Constant & is defined too small in &") typically indicates that a constant value defined in the system is not large enough to accommodate the data being processed. This can occur in various contexts, such as when dealing with data structures, tables, or fields that have specific size limitations.
  
  Cause:
  
  Data Type Limitations: The error often arises when a data type or field is defined with a size that is too small for the data being processed. For example, if a field is defined as a character type with a length of 10, but the data being inserted or processed is longer than 10 characters, this error can occur.
  
  Configuration Issues: Sometimes, the error can be due to incorrect configuration settings in the system that define the size of certain constants or fields.
  Custom Development: If there are custom programs or enhancements, they may not have been