How To Fix 1R320 - Table &1 field &2: The first character must be a letter

SAP Error Message - Details

• Message type: E = Error

• Message class: 1R - SAP Knowledge Provider

• Message number: 320

• Message text: Table &1 field &2: The first character must be a letter

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 1R320 - Table &1 field &2: The first character must be a letter ?

  The SAP error message 1R320 indicates that there is an issue with the data being entered into a specific field of a table. The message states: "Table &1 field &2: The first character must be a letter." This typically means that the value being entered into the specified field does not start with an alphabetic character (A-Z or a-z), which is a requirement for that particular field.
  Cause:
  
  Invalid Input: The most common cause of this error is that the user has entered a value that starts with a number, special character, or space instead of a letter.
  Data Format: The field may have specific formatting rules that require the first character to be a letter.
  Configuration Issues: There may be configuration settings in the system that enforce this rule for the specific field.
  
  Solution:
  
  Check Input Value: Review the value you are trying to enter in the specified field. Ensure that it starts with a letter. For example, if you are entering a code or identifier, it should begin with an alphabetic character.
  Correct Formatting: If the value is generated programmatically or through a batch process, ensure that the logic generating the value adheres to the requirement of starting with a letter.
  Consult Documentation: If you are unsure about the valid values for the field, refer to the SAP documentation or data dictionary for the specific table and field to understand the expected format.
  Validation Rules: If you are a developer or have access to the configuration, check if there are any validation rules or enhancements that might be enforcing this requirement and adjust them if necessary.
  
  Related Information:
  
  Field Characteristics: You can check the characteristics of the field in the Data Dictionary (transaction SE11) to understand its data type and any constraints.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address similar issues or provide additional context.
  User Training: Ensure that users entering data are trained on the correct formats and requirements for the fields they are working with to prevent this error from occurring in the future.
  
  By following these steps, you should be able to resolve the error and ensure that the data entered meets the required criteria.