/IWFND/MED055 - Characters 'SPACE' and '/.,()'"=_%*-+_¯' are not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/MED -

• Message number: 055

• Message text: Characters 'SPACE' and '/.,()'"=_%*-+_¯' 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.

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AnswerBot

• What is the cause and solution for SAP error message /IWFND/MED055 - Characters 'SPACE' and '/.,()'"=_%*-+_¯' are not allowed ?

  The SAP error message /IWFND/MED055 Characters 'SPACE' and '/.,()'"=_%*-+_¯' are not allowed typically occurs in the context of SAP Gateway services, particularly when dealing with OData services. This error indicates that the input data contains characters that are not permitted in certain fields, such as entity keys, query parameters, or other identifiers.
  Cause:
  The error is triggered when the input data includes:
  
  Spaces
  Special characters such as /, ., ,, (, ), ", =, %, *, -, +, and ¯
  
  These characters are not allowed in specific contexts, such as:
  
  URL parameters
  Entity keys
  Certain fields in the OData service
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify the Source of the Input: Determine where the input data is coming from. This could be from a user interface, an API call, or a data import.
  
  
  Sanitize Input Data: Ensure that the input data does not contain any of the disallowed characters. You can implement validation checks in your application to filter out these characters before sending the data to the SAP system.
  
  
  Modify the Request: If the error occurs during an OData service call, check the request payload or URL for any invalid characters. Remove or replace them as necessary.
  
  
  Check Configuration: If you are developing or configuring an OData service, review the service definition and ensure that the fields are correctly defined to accept valid characters.
  
  
  Testing: After making changes, test the application or service to ensure that the error no longer occurs.
  
  
  Related Information:
  
  SAP Gateway: This is the technology that allows you to connect devices, environments, and applications to SAP systems. Understanding how it handles OData services can help in troubleshooting.
  OData Protocol: Familiarize yourself with the OData protocol and its conventions regarding URL encoding and valid characters.
  SAP Notes: Check for any relevant SAP Notes or documentation that may provide additional insights or updates regarding this error.
  
  By following these steps, you should be able to resolve the error and ensure that your input data complies with the required character restrictions.