How To Fix FDT_EXPRESSIONS855 - An invalid mapping exists for data object &1 (generic timepoint)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 855

• Message text: An invalid mapping exists for data object &1 (generic timepoint)

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_EXPRESSIONS855 - An invalid mapping exists for data object &1 (generic timepoint) ?

  The SAP error message FDT_EXPRESSIONS855 indicates that there is an issue with a mapping for a data object, specifically a "generic timepoint." This error typically arises in the context of SAP's Flexible Data Import (FDI) or Flexible Data Transformation (FDT) tools, which are used for data processing and transformation tasks.
  
  Cause:
  The error can occur due to several reasons:
  
  Invalid Mapping Configuration: The mapping for the specified data object (&1) is not correctly defined or is missing. This could be due to incorrect field assignments or transformations.
  Data Type Mismatch: The data type of the source and target fields may not match, leading to an invalid mapping.
  Missing Timepoint Definition: If the mapping involves a timepoint, it may not be properly defined or referenced in the transformation logic.
  Inconsistent Data: The data being processed may not conform to the expected format or structure, causing the mapping to fail.
  
  
  Solution:
  To resolve the error, you can take the following