How To Fix WER133 - Element name &1 does not have a valid format

SAP Error Message - Details

• Message type: E = Error

• Message class: WER - Messages for the package WER

• Message number: 133

• Message text: Element name &1 does not have a valid format

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WER133 - Element name &1 does not have a valid format ?

  SAP Error Message:
  
  WER133 - Element name &1 does not have a valid format
  
  Cause:
  This error occurs when an element name (such as a field name, structure name, or data element name) used in your ABAP program, dictionary object, or interface does not conform to the naming conventions or expected format defined by SAP.
  Typical reasons include:
  
  The element name contains invalid characters (e.g., special characters, spaces).
  The element name starts with a number or lowercase letter (SAP element names usually start with a letter and are uppercase).
  The element name is too long or too short.
  The element name does not comply with the syntax rules for ABAP dictionary objects or interface elements.
  
  
  Solution:
  
  
  Check the element name:
  
  Verify the element name mentioned in the error message. Ensure it:
  
  Starts with a letter (A-Z).
  Contains only uppercase letters, numbers, and underscores.
  Does not contain special characters or spaces.
  Is within the allowed length (usually up to 30 characters for dictionary objects).
  
  
  
  Correct the element name:
  
  Rename the element to comply with SAP naming conventions. For example:
  
  Change 1ELEMENT to ELEMENT1
  Change element_name to ELEMENT_NAME
  
  
  
  Adjust the source of the element name:
  
  If the element name is generated dynamically or comes from an external source, ensure the generation logic or input is corrected.
  
  
  Check related dictionary objects or interfaces:
  
  If the error occurs during activation or generation of dictionary objects (structures, tables, data elements), check the definitions and correct the element names.
  
  
  Re-activate the object:
  
  After correcting the element name, re-activate the object or re-run the program to confirm the error is resolved.
  
  
  
  Related Information:
  
  SAP element names must follow ABAP Dictionary naming conventions.
  Refer to SAP documentation on ABAP Dictionary Naming Conventions.
  This error is common during:
  
  Creation or modification of structures, tables, or views.
  Interface or IDoc segment definitions.
  Dynamic programming where element names are constructed at runtime.
  
  
  Use transaction SE11 (Data Dictionary) or SE80 (Object Navigator) to inspect and correct element names.
  If the error occurs in custom code, review the code for hardcoded or dynamically generated element names.
  
  
  Summary:
  
  The WER133 error indicates an invalid element name format. Correct the element name to comply with SAP naming rules (uppercase letters, no special characters, starts with a letter) and re-activate or re-run the relevant object or program.