# Unity Ads troubleshooting guide

> Review common Unity Ads SDK error codes and messages that might occur during ad integration to understand how to resolve them.

This guide covers common Unity Ads SDK errors, including initialization, load, and show errors. Each entry lists the error category, code, and message, explains what it means, and provides steps to resolve it. Use these guides to quickly identify and fix issues in your Unity Ads SDK integration.

[Understand Unity Ads error handling](/ads-ios/4.19.0/sdk-integration/troubleshoot/intro-to-error-handling.md): Review how and where to see Unity Ads SDK error messages to begin troubleshooting your monetization setup.
[Troubleshoot SDK initialization errors](/ads-ios/4.19.0/sdk-integration/troubleshoot/initialization-errors.md): Solve common issues that might occur during Unity Ads SDK initialization.
[Troubleshoot SDK load errors](/ads-ios/4.19.0/sdk-integration/troubleshoot/load-errors.md): Solve common issues that might occur while loading an ad during an ad request.
[Troubleshoot SDK show errors](/ads-ios/4.19.0/sdk-integration/troubleshoot/show-errors.md): Solve common issues that might occur while displaying an ad during an ad request.
[Error code reference](/ads-ios/4.19.0/sdk-integration/troubleshoot/errors-reference.md): Review the error code table for a quick reference for error codes and their causes.