ERROR_MRM_DUPLICATE_ENTRY - 15119 (0x3B0F)

Duplicate Entry.

Updated: Feb 21, 2026

Technical Meaning

The error code ERROR_MRM_DUPLICATE_ENTRY (15119, 0x3B0F) indicates that a duplicate entry has been encountered in the system. This can occur in various contexts where unique identifiers or entries are expected.

Error Details

This generic error is used to signal that an operation failed because it attempted to add or reference an item that already exists within the system's database or storage mechanism. The specific context and implications of this error depend on the application or subsystem where it occurs.

Usage Context

The ERROR_MRM_DUPLICATE_ENTRY can be encountered in scenarios such as:

  • Adding a duplicate entry to a configuration file or registry key.
  • Attempting to create an object with a name that already exists in a directory or database.
  • Duplicate entries in a list or collection within a software application.

Developer Interpretation

When encountering this error, developers should ensure that the operation being performed is correctly identifying and handling unique identifiers. This can involve validating input parameters, checking for existing entries before adding new ones, and ensuring that all operations are performed with appropriate context to avoid conflicts.

Related Errors

FAQ

Q: What does the error code 15119 mean?

A: The error code 15119, or ERROR_MRM_DUPLICATE_ENTRY, indicates that a duplicate entry has been encountered in the system.

Q: How can I handle this error in my application?

A: Ensure that your application checks for existing entries before attempting to add new ones. Validate input parameters and ensure unique identifiers are used appropriately.

Summary

The ERROR_MRM_DUPLICATE_ENTRY is a generic error code indicating the presence of duplicate entries in various system contexts. Developers should focus on ensuring uniqueness and proper validation to avoid this error.