How To Fix FDT_EXPRESSIONS834 - Unknown parameter type &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 834

• Message text: Unknown parameter type &1

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_EXPRESSIONS834 - Unknown parameter type &1 ?

  The SAP error message FDT_EXPRESSIONS834 with the description "Unknown parameter type &1" typically occurs in the context of SAP's Flexible Data Import (FDI) or when working with expressions in the context of data processing or transformation. This error indicates that the system has encountered a parameter type that it does not recognize or that is not defined correctly.
  Causes:
  
  Incorrect Parameter Type: The parameter type specified in the expression or configuration is not valid or is misspelled.
  Missing Configuration: The required configuration for the parameter type may not be set up in the system.
  Version Compatibility: The error may arise if there are compatibility issues between different versions of SAP components or if the system is not updated.
  Custom Development Issues: If there are custom developments or enhancements, they may not be correctly implemented, leading to unrecognized parameter types.
  
  Solutions:
  
  Check Parameter Type: Review the expression or configuration where the error occurs and ensure that the parameter