How To Fix ICA02026 - Parameter &1 must be a number.

SAP Error Message - Details

• Message type: E = Error

• Message class: ICA02 - ICA Matching Engine Message Class

• Message number: 026

• Message text: Parameter &1 must be a number.

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 ICA02026 - Parameter &1 must be a number. ?

  The SAP error message ICA02026, which states "Parameter &1 must be a number," typically occurs when a parameter that is expected to be a numeric value is instead provided with a non-numeric value. This can happen in various contexts within SAP, such as during data entry, configuration, or when executing certain transactions.
  Cause:
  
  Incorrect Data Entry: A user may have entered a non-numeric value (like text or special characters) in a field that requires a numeric input.
  Configuration Issues: In some cases, the configuration settings may not be set up correctly, leading to the system expecting a numeric value but receiving something else.
  Data Transfer Issues: If data is being imported or transferred from another system, the format of the data may not match the expected numeric format.
  Custom Code: If there are custom programs or enhancements, they may not be handling the data types correctly.
  
  Solution:
  
  Check Input Values: Review the input values for the parameter indicated by &1 in the error message. Ensure that only numeric values are entered.
  Data Validation: Implement validation checks in the input fields to ensure that only numeric values can be entered.
  Review Configuration: If the error occurs in a specific configuration, review the settings to ensure they are correct and that numeric fields are defined properly.
  Debugging Custom Code: If the error arises from custom code, debug the program to identify where the non-numeric value is being introduced and correct it.
  Data Format: If data is being imported, ensure that the data format matches the expected numeric format (e.g., no commas, correct decimal points).
  Consult Documentation: Refer to SAP documentation or help resources for specific details related to the transaction or module you are working with.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Transaction Codes: Identify the transaction code or program where the error occurs to narrow down the context.
  User Forums: Look for discussions in SAP community forums or user groups where similar issues may have been addressed.
  Testing: After making changes, conduct thorough testing to ensure that the issue is resolved and does not recur.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.