How To Fix CLASSIFICATION_TOOL135 - Only fields with character type are allowed.

SAP Error Message - Details

• Message type: E = Error

• Message class: CLASSIFICATION_TOOL - Classification tool

• Message number: 135

• Message text: Only fields with character type are 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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Smart SAP Assistant

• What is the cause and solution for SAP error message CLASSIFICATION_TOOL135 - Only fields with character type are allowed. ?

  The SAP error message "CLASSIFICATION_TOOL135: Only fields with character type are allowed" typically occurs in the context of SAP's classification system, particularly when working with characteristics in classification or when trying to create or modify a classification object.
  Cause:
  This error message indicates that there is an attempt to use a field that is not of character type (i.e., it may be numeric, date, or another type) in a context where only character-type fields are permitted. This can happen in various scenarios, such as:
  
  Incorrect Field Type: You may be trying to assign a non-character field to a characteristic that only accepts character data.
  Data Entry Issues: When entering data into a classification system, if the data type of the input does not match the expected type, this error can occur.
  Configuration Errors: There may be a misconfiguration in the classification settings or characteristics that are defined in the system.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Field Types: Review the characteristics you are working with and ensure that all fields being used are of the character type. You can do this by checking the data dictionary (transaction SE11) for the relevant fields.
  
  
  Modify Characteristics: If you have control over the characteristics, consider modifying them to ensure they are defined as character type if that is appropriate for your use case.
  
  
  Data Validation: Ensure that the data being entered or processed is valid and conforms to the expected data types. If you are importing data, validate the source data to ensure it matches the expected formats.
  
  
  Review Configuration: If you are working with a custom classification setup, review the configuration settings in the classification system (transaction CL02 for characteristics) to ensure they are set up correctly.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for guidance on the specific characteristics and their expected data types.
  
  
  Seek Help from SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance, especially if this is a production environment.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CL01 (Create Characteristic), CL02 (Change Characteristic), and CL03 (Display Characteristic) to manage characteristics effectively.
  SAP Notes: Check SAP Notes for any known issues or patches related to the classification tool that may address this error.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.