How To Fix FCC1390 - &1 is an invalid custom variable name

SAP Error Message - Details

• Message type: E = Error

• Message class: FCC1 - Messages in Financial Closing Cockpit

• Message number: 390

• Message text: &1 is an invalid custom variable name

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 FCC1390 - &1 is an invalid custom variable name ?

  The SAP error message FCC1390 indicates that there is an issue with a custom variable name in your configuration or data processing. This error typically arises in the context of SAP's Financial Supply Chain Management (FSCM) or similar modules where custom variables are used for various purposes, such as data mapping or transformation.
  Cause:
  
  Invalid Characters: The custom variable name may contain invalid characters or spaces. SAP has specific naming conventions that must be followed.
  Length Restrictions: The variable name may exceed the maximum allowed length.
  Reserved Keywords: The name might be using a reserved keyword or a name that is already in use.
  Configuration Issues: There may be a misconfiguration in the settings where the custom variable is defined or used.
  
  Solution:
  
  Check Naming Conventions: Ensure that the custom variable name adheres to SAP's naming conventions. Typically, it should start with a letter and can include letters, numbers, and underscores.
  Review Length: Verify that the variable name does not exceed the maximum length allowed by SAP (usually 30 characters).
  Avoid Reserved Words: Make sure that the name does not conflict with any reserved keywords in SAP.
  Correct Configuration: Go through the configuration settings where the custom variable is defined. Ensure that it is set up correctly and that there are no typos or misconfigurations.
  Testing: After making the necessary changes, test the configuration again to see if the error persists.
  
  Related Information:
  
  Documentation: Refer to SAP's official documentation for guidelines on naming conventions and variable definitions.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Community Forums: Engage with SAP community forums or support channels for additional insights or similar experiences from other users.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.