How To Fix SO2_TOOL304 - Special characters are not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: SO2_TOOL - Messages for OXYGEN Page Editor

• Message number: 304

• Message text: Special characters are not allowed

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SO2_TOOL304 - Special characters are not allowed ?

  The SAP error message SO2_TOOL304, which states "Special characters are not allowed," typically occurs when you are trying to input data that contains special characters in a field that does not accept them. This can happen in various contexts, such as when entering data in a transaction, creating a document, or uploading files.
  Cause:
  
  Field Restrictions: Certain fields in SAP have restrictions on the types of characters that can be entered. Special characters (like @, #, $, %, &, etc.) may not be allowed in specific fields.
  Data Validation: The system performs validation checks on the input data, and if it detects any special characters in a field that is not designed to accept them, it will trigger this error.
  Configuration Settings: The configuration of the SAP system may have been set to restrict special characters for certain fields to maintain data integrity.
  
  Solution:
  
  Check Input Data: Review the data you are trying to enter and ensure that it does not contain any special characters. Replace or remove any special characters from the input.
  Field Documentation: Refer to the documentation or help text for the specific field you are working with to understand the allowed character set.
  Data Format: Ensure that the data format you are using is compatible with the field requirements. For example, if the field expects a numeric value, ensure that you are not including any non-numeric characters.
  Consult with SAP Support: If you believe that the input is correct and should be accepted, consult with your SAP support team or administrator. They may need to check the configuration settings or provide further insights into the error.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message. SAP Notes can provide patches or workarounds.
  Transaction Codes: If this error occurs in a specific transaction, note the transaction code and search for related documentation or forums for similar issues.
  User Forums: Consider visiting SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  
  By following these steps, you should be able to identify the cause of the SO2_TOOL304 error and implement a solution to resolve it.