How To Fix /UI2/CDMFCC152 - Key &1 contains invalid character(s)

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/CDMFCC -

• Message number: 152

• Message text: Key &1 contains invalid character(s)

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/CDMFCC152 - Key &1 contains invalid character(s) ?

  The SAP error message /UI2/CDMFCC152 Key &1 contains invalid character(s) typically indicates that a key being used in a certain context (often related to Fiori or UI5 applications) contains characters that are not allowed. This can happen in various scenarios, such as when defining keys for data models, navigation, or other configurations.
  Cause:
  
  Invalid Characters: The key may contain special characters, spaces, or other invalid characters that are not permitted in the context where it is being used.
  Incorrect Configuration: The key might be incorrectly configured in the application or data model.
  Data Source Issues: If the key is derived from a data source, the data itself may contain invalid characters.
  
  Solution:
  
  Check the Key: Review the key mentioned in the error message. Ensure that it only contains valid characters (typically alphanumeric characters, underscores, etc.).
  Modify the Key: If the key contains invalid characters, modify it to remove or replace those characters with valid ones.
  Review Configuration: Check the configuration settings in the application or data model where the key is being used. Ensure that all keys are defined correctly and conform to the expected format.
  Data Validation: If the key is derived from a data source, validate the data to ensure that it does not contain invalid characters. Cleanse the data if necessary.
  Consult Documentation: Refer to SAP documentation or guidelines for naming conventions and valid characters for keys in the specific context you are working with.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes or Knowledge Base Articles (KBAs) that might address this specific error or provide additional context.
  Fiori/UI5 Documentation: Review the official SAP Fiori and UI5 documentation for best practices regarding key definitions and data models.
  Community Forums: Consider searching or posting in SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be helpful to engage with your SAP support team or consult with a technical expert who can provide more tailored assistance based on your specific environment and configuration.