How To Fix /UI2/FIOCONT121 - Reference ID not correct or well-formed (see long text)

/UI2/FIOCONT121 - Overview

• Message type: E = Error

• Message class: /UI2/FIOCONT -

• Message number: 121

• Message text: Reference ID not correct or well-formed (see long text)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI2/FIOCONT121 - Reference ID not correct or well-formed (see long text) ?

  The SAP error message /UI2/FIOCONT121 Reference ID not correct or well-formed (see long text) typically occurs in the context of SAP Fiori applications, particularly when there is an issue with the reference ID used in the application or service call. This error indicates that the reference ID provided is either malformed or does not conform to the expected format.
  Causes:
  
  Malformed Reference ID: The reference ID may contain invalid characters or formatting that does not meet the expected criteria.
  Incorrect Configuration: The configuration settings for the Fiori application or the underlying OData service may be incorrect, leading to issues in how the reference ID is processed.
  Data Issues: The data being passed to the application may be incorrect or not properly formatted, leading to the error.
  Version Mismatch: There may be a mismatch between the versions of the Fiori application and the backend services, causing compatibility issues.
  
  Solutions:
  
  Check Reference ID Format: Ensure that the reference ID