How To Fix UCFE838 - A row cannot be inserted

UCFE838 - Overview

• Message type: E = Error

• Message class: UCFE - Messages for Data Entry Layouts

• Message number: 838

• Message text: A row cannot be inserted

What causes this issue?

The restrictions of the data entry layout do not allow changes to the
cells in the new row.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Either change the characteristic value for the new row, or cancel the
insertion.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

UCFE838 - Details

• The SAP error message UCFE838, which states "A row cannot be inserted," typically occurs in the context of data processing or database operations within SAP systems. This error can arise due to various reasons, and understanding the cause is crucial for finding an appropriate solution. Here are some common causes and potential solutions:
  Causes:
  
  
  Primary Key Violation: The row you are trying to insert may have a primary key that already exists in the database. This means that the unique identifier for the row is not unique.
  
  
  Foreign Key Constraint Violation: If the row you are trying to insert references another table (through a foreign key), and the referenced row does not exist, the insertion will fail.
  
  
  Data Type Mismatch: The data being inserted may not match the expected data types defined in the database schema.
  
  
  Null Value Violation: If the table has columns that do not allow null values and you are trying to