How To Fix KQ178 - Invalid entry: Not possible to save

KQ178 - Overview

• Message type: E = Error

• Message class: KQ - Error Messages for Customizing Product Costing

• Message number: 178

• Message text: Invalid entry: Not possible to save

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?

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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 KQ178 - Invalid entry: Not possible to save ?

  The SAP error message KQ178 ("Invalid entry: Not possible to save") typically occurs in the context of SAP Controlling (CO) when there is an issue with the data being processed, particularly in the area of cost center accounting, internal orders, or other related modules. Here are some common causes, potential solutions, and related information for this error:
  Causes:
  
  
  Data Validation Issues: The data being entered may not meet the required validation rules. This could be due to incorrect formats, missing mandatory fields, or invalid combinations of data.
  
  
  Authorization Issues: The user may not have the necessary authorizations to save the data in the system.
  
  
  
  Configuration Issues: There may be configuration settings in the controlling module that are not set up correctly, leading to the inability to save entries.
  
  
  Technical Issues: There could be underlying technical issues, such as database locks, system performance problems, or bugs in the SAP system.
  
  
  Inconsistent Data: The data being processed may