How To Fix UD331 - Attributes applied from the dictionary cannot be changed

UD331 - Overview

• Message type: E = Error

• Message class: UD - EDM - Enterprise Data Model

• Message number: 331

• Message text: Attributes applied from the dictionary cannot be changed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UD331 - Attributes applied from the dictionary cannot be changed ?

  The SAP error message UD331, which states "Attributes applied from the dictionary cannot be changed," typically occurs when you are trying to modify the attributes of a field in a structure or table that are derived from the Data Dictionary (DDIC). This error is common in ABAP programming and can arise in various scenarios, such as when you are trying to change the data type, length, or other properties of a field that is defined in the DDIC.
  
  Cause:
  
  Dictionary-Defined Fields: The field you are trying to modify is defined in the Data Dictionary, and its attributes are locked to ensure data integrity.
  Inconsistent Changes: Attempting to change attributes that are not allowed for fields that are linked to the DDIC.
  Field Usage: The field may be used in various database tables, structures, or programs, and changing its attributes could lead to inconsistencies.
  
  
  Solution:
  
  Check Field Definition: Verify the field definition in the Data Dictionary (transaction