# Common Errors and Solutions

<table data-column-title-hidden data-view="cards" data-full-width="true"><thead><tr><th></th><th></th><th></th></tr></thead><tbody><tr><td><p><strong>Duplicate class kotlin.internal.jdk7.JDK7PlatformImplementations</strong></p><p></p><p>found in modules org.jetbrains.kotlin.kotlin-stdlib-1.8.22.jar (org.jetbrains.kotlin.kotlin-stdlib-1.8.22.jar) and org.jetbrains.kotlin.kotlin-stdlib-jdk7-1.7.10.jar (org.jetbrains.kotlin.kotlin-stdlib-jdk7-1.7.10.jar)</p></td><td><p><strong>Resolution</strong></p><ul><li>Enable Main Gradle Template from Player Settings</li><li>Add <mark style="color:purple;">implementation(platform("org.jetbrains.kotlin:kotlin-bom:1.8.0"))</mark> in dependencies block</li><li>Force resolve from EDMU (External Dependency Manager for Unity)</li></ul></td><td></td></tr><tr><td><strong>Argument 1: cannot convert from 'VoxelBusters.EasyMLKit.IInputSource' to 'VoxelBusters.EasyMLKit.IImageInputSource'</strong></td><td><strong>Resolution</strong> : Replace IInputSource type with IImageInputSource</td><td></td></tr><tr><td><p><strong>Prepare(..) is obsolete</strong></p><p> This method is obsolete. Pass Input source instance as first parameter to Prepare method.</p></td><td><strong>Resolution</strong> : You need to pass the input source (IImageInputSource or IDrawingInputSource) to Prepare method as first parameter.</td><td></td></tr><tr><td><strong>Conflicts with Firebase dependencies on iOS?</strong></td><td>Resolution: Make sure you set Target Minimum iOS Version to 16.0.</td><td>Using 15.5.0 still works but you unity may show some warnings, which you can ignore.</td></tr></tbody></table>