How To Fix FDT_EXPRESSIONS118 - Invalid column index (expected: &1, found: &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_EXPRESSIONS - Formula & Derivation Tool: Expressions

• Message number: 118

• Message text: Invalid column index (expected: &1, found: &2)

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 FDT_EXPRESSIONS118 - Invalid column index (expected: &1, found: &2) ?

  The SAP error message FDT_EXPRESSIONS118 indicates that there is an issue with the column index in a data processing context, typically related to the use of expressions in SAP's Flexible Data Import (FDI) or similar data handling scenarios. The message specifies that the expected column index does not match the found column index, which can lead to data processing errors.
  Cause:
  
  
  Mismatch in Column Index: The error occurs when the system expects a certain column index (denoted by &1) but finds a different one (denoted by &2). This can happen due to:
  
  Changes in the data structure or schema that have not been reflected in the configuration.
  Incorrect mapping of fields in the data import or export process.
  Issues in the data source where the expected data format does not match the actual data format.
  
  
  
  Configuration Errors: If the configuration for the data processing (like data mapping or transformation rules) is incorrect, it can lead to this error.
  
  
  Data Quality Issues: If the incoming data does not conform to the expected structure (e.g., missing columns, additional columns, or incorrect data types), it can trigger this error.
  
  
  Solution:
  
  
  Check Data Mapping: Review the mapping configuration to ensure that the expected column indices match the actual data structure. Make sure that all required fields are correctly mapped.
  
  
  Validate Data Structure: Ensure that the data source (e.g., CSV, Excel, database) has the correct structure and that the columns are in the expected order. If there have been changes to the data source, update the configuration accordingly.
  
  
  Adjust Configuration: If there have been changes in the underlying data model or if the data processing logic has been modified, update the configuration to reflect these changes.
  
  
  Test with Sample Data: Use a small sample of data that is known to be correct to test the import or processing logic. This can help isolate the issue.
  
  
  Review Documentation: Check SAP documentation or community forums for any known issues or updates related to the specific version of SAP you are using.
  
  
  Debugging: If the issue persists, consider enabling debugging or logging to get more detailed information about where the mismatch is occurring.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any patches or updates related to this error message.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Training and Documentation: Review any training materials or documentation related to the Flexible Data Import or the specific module you are working with to ensure best practices are being followed.
  
  By following these steps, you should be able to identify and resolve the cause of the FDT_EXPRESSIONS118 error in your SAP environment.