How To Fix /UI5/APP_API078 - Namespace in layered repository for file &1 (type &2) too long

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/APP_API -

• Message number: 078

• Message text: Namespace in layered repository for file &1 (type &2) too long

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 /UI5/APP_API078 - Namespace in layered repository for file &1 (type &2) too long ?

  The SAP error message /UI5/APP_API078 Namespace in layered repository for file &1 (type &2) too long typically indicates that the namespace or path for a file in the SAP UI5 application is exceeding the allowed length. This can occur when the structure of your application or the naming conventions used for files and folders are too lengthy, which can lead to issues in the layered repository.
  Cause:
  
  Excessive Length: The namespace or path for the file exceeds the maximum length allowed by the system.
  Naming Conventions: The way files and folders are named may not adhere to best practices, leading to overly long paths.
  Layered Repository Structure: The structure of the layered repository may be too deep or complex, contributing to the length of the namespace.
  
  Solution:
  
  Shorten Namespaces: Review the namespaces and paths used in your application. Try to shorten them where possible. This may involve renaming folders or files to use abbreviations or simpler terms.
  Refactor Structure: Consider refactoring the structure of your application to reduce the depth of the folder hierarchy. This can help in keeping the overall path length within limits.
  Check Configuration: Ensure that your application configuration does not inadvertently create long paths. Review any settings related to the repository or file management.
  Use Standard Naming Conventions: Follow SAP's recommended naming conventions for UI5 applications to avoid issues with path lengths.
  Testing: After making changes, test the application to ensure that it functions correctly and that the error is resolved.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for guidelines on naming conventions and best practices for UI5 applications.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they have implemented.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context on limitations regarding namespaces and paths.
  
  By addressing the length of the namespace and ensuring that your application structure adheres to best practices, you should be able to resolve the error message and prevent it from occurring in the future.