How To Fix TD794 - Length specification contains invalid characters

SAP Error Message - Details

• Message type: E = Error

• Message class: TD - SAPscript: Text editor, composer, forms, styles and fonts

• Message number: 794

• Message text: Length specification contains invalid characters

What causes this issue?

You want to specify a length for the symbol value. However, you have
entered characters which are not allowed in the length specification.

System Response

The symbol will not be transferred to your text until you have
corrected the error.

How to fix this error?

For number specifications, enter numbers only which are not separated
by blanks. Besides a valid number, you can also enter *. The symbol
value is then formatted with the output length defined in the Data
Dictionary. If the field is left blank, the symbol value is output with
its actual length.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TD794 - Length specification contains invalid characters ?

  The SAP error message TD794, which states "Length specification contains invalid characters," typically occurs in the context of text elements or when defining text lengths in SAP. This error indicates that there are invalid characters in the length specification of a text element, which can prevent the system from processing the text correctly.
  Causes:
  
  Invalid Characters: The length specification may contain characters that are not allowed, such as letters or special symbols.
  Incorrect Formatting: The length might not be specified in the correct format, leading to the error.
  Copy-Paste Issues: If the length specification was copied from another source, it might have included hidden characters or formatting that is not recognized by SAP.
  Data Entry Errors: Manual entry of the length specification might have introduced typos or incorrect values.
  
  Solutions:
  
  Check Length Specification: Review the length specification for any invalid characters. Ensure that it only contains numeric values.
  Correct Formatting: Make sure that the length is specified in the correct format. For example, it should be a positive integer without any additional characters.
  Re-enter the Value: If you suspect that the value was copied incorrectly, try typing it in manually to avoid hidden characters.
  Use SAP Standard Values: If applicable, refer to SAP documentation or standard values for length specifications to ensure compliance with expected formats.
  Debugging: If the error persists, consider using debugging tools in SAP to trace where the error is occurring and identify the specific text element causing the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to SAP documentation for guidelines on defining text elements and length specifications.
  Community Forums: Engage with SAP community forums or support channels for additional insights and solutions from other users who may have encountered the same issue.
  
  If the problem continues after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more in-depth assistance.