How To Fix FOX3077 - &1: External key '&2' is not convertable

FOX3077 - Overview

• Message type: E = Error

• Message class: FOX3 -

• Message number: 077

• Message text: &1: External key '&2' is not convertable

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 FOX3077 - &1: External key '&2' is not convertable ?

  The SAP error message FOX3077 typically indicates that there is an issue with the conversion of an external key in the context of data processing or integration, often related to the Financial Accounting (FI) or Controlling (CO) modules. The error message format suggests that the system is unable to convert the specified external key into a format that it can process.
  
  Cause:
  
  Invalid External Key: The external key provided may not exist in the system or may be incorrectly formatted.
  Data Type Mismatch: The external key may not match the expected data type or format required by the system.
  
  Configuration Issues: There may be configuration settings in the system that are not aligned with the external key being used.
  Missing Master Data: The master data associated with the external key may be missing or incomplete.
  
  
  Solution:
  
  Check the External Key: Verify that the external key (&2 in the error message) is correct and exists in the system.