How To Fix C1311 - No "&" allowed in decimal section

SAP Error Message - Details

• Message type: E = Error

• Message class: C1 - Characteristics maintenance messages

• Message number: 311

• Message text: No "&" allowed in decimal section

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message C1311 - No "&" allowed in decimal section ?

  The SAP error message C1311, which states "No '&' allowed in decimal section," typically occurs when there is an issue with the formatting of a number in a field that expects a decimal value. The presence of the '&' character in a decimal section is not permitted, leading to this error.
  Cause:
  
  Incorrect Input: The most common cause is that the user has inadvertently entered an '&' character in a field that is supposed to contain a numeric value.
  Data Transfer Issues: If data is being imported or transferred from another system, the '&' character may have been included due to formatting issues or incorrect data mapping.
  Custom Code or Enhancements: If there are custom programs or enhancements in the SAP system, they might be incorrectly handling numeric values, leading to the inclusion of invalid characters.
  
  Solution:
  
  Check Input Fields: Review the input fields where the error occurs and ensure that no '&' characters are present. Remove any invalid characters and re-enter the data.
  Data Validation: Implement data validation checks to prevent users from entering invalid characters in fields that require numeric input.
  Review Data Transfers: If the error arises during data import, check the source data for any formatting issues. Ensure that the data being transferred does not contain invalid characters.
  Debug Custom Code: If the error is related to custom code, review the logic to ensure that it correctly handles numeric values and does not introduce invalid characters.
  Consult Documentation: Refer to SAP documentation or support for any specific guidelines related to the fields you are working with.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Transaction Codes: If this error occurs in a specific transaction, note the transaction code and check for any related configuration or settings that might be causing the issue.
  User Training: Provide training to users on the correct format for entering data in SAP to minimize the occurrence of such errors.
  
  By following these steps, you should be able to identify the cause of the C1311 error and implement a solution to resolve it.