[Android Themes] Eddicts:
Today when i start my eclipse i receive this error:

Errors occurred during the build.
Error instantiating builder 'com.android.ide.eclipse.adt.PreCompilerBuilder'.
Plug-in com.android.ide.eclipse.adt was unable to load class com.android.ide.eclipse.adt.internal.build.builders.PreCompilerBuilder.
An error occurred while automatically activating bundle com.android.ide.eclipse.adt (330).
Plug-in com.android.ide.eclipse.adt was unable to load class com.android.ide.eclipse.adt.internal.build.builders.PreCompilerBuilder.
An error occurred while automatically activating bundle com.android.ide.eclipse.adt (330).
Error instantiating builder 'com.android.ide.eclipse.adt.ApkBuilder'.
Plug-in com.android.ide.eclipse.adt was unable to load class com.android.ide.eclipse.adt.internal.build.builders.PostCompilerBuilder.
An error occurred while automatically activating bundle com.android.ide.eclipse.adt (330).
Plug-in com.android.ide.eclipse.adt was unable to load class com.android.ide.eclipse.adt.internal.build.builders.PostCompilerBuilder.
An error occurred while automatically activating bundle com.android.ide.eclipse.adt (330).
Error instantiating builder 'com.android.ide.eclipse.adt.ResourceManagerBuilder'.
Plug-in com.android.ide.eclipse.adt was unable to load class com.android.ide.eclipse.adt.internal.build.builders.ResourceManagerBuilder.
An error occurred while automatically activating bundle com.android.ide.eclipse.adt (330).
Plug-in com.android.ide.eclipse.adt was unable to load class com.android.ide.eclipse.adt.internal.build.builders.ResourceManagerBuilder.
An error occurred while automatically activating bundle com.android.ide.eclipse.adt (330).
Error instantiating builder 'com.android.ide.eclipse.adt.PreCompilerBuilder'.
Plug-in com.android.ide.eclipse.adt was unable to load class com.android.ide.eclipse.adt.internal.build.builders.PreCompilerBuilder.
An error occurred while automatically activating bundle com.android.ide.eclipse.adt (330).
Plug-in com.android.ide.eclipse.adt was unable to load class com.android.ide.eclipse.adt.internal.build.builders.PreCompilerBuilder.
An error occurred while automatically activating bundle com.android.ide.eclipse.adt (330).
Error instantiating builder 'com.android.ide.eclipse.adt.ApkBuilder'.
Plug-in com.android.ide.eclipse.adt was unable to load class com.android.ide.eclipse.adt.internal.build.builders.PostCompilerBuilder.
An error occurred while automatically activating bundle com.android.ide.eclipse.adt (330).
Plug-in com.android.ide.eclipse.adt was unable to load class com.android.ide.eclipse.adt.internal.build.builders.PostCompilerBuilder.
An error occurred while automatically activating bundle com.android.ide.eclipse.adt (330).
Error instantiating builder 'com.android.ide.eclipse.adt.ResourceManagerBuilder'.
Plug-in com.android.ide.eclipse.adt was unable to load class com.android.ide.eclipse.adt.internal.build.builders.ResourceManagerBuilder.
An error occurred while automatically activating bundle com.android.ide.eclipse.adt (330).
Plug-in com.android.ide.eclipse.adt was unable to load class com.android.ide.eclipse.adt.internal.build.builders.ResourceManagerBuilder.
An error occurred while automatically activating bundle com.android.ide.eclipse.adt (330).
Error instantiating builder 'com.android.ide.eclipse.adt.PreCompilerBuilder'.
Plug-in com.android.ide.eclipse.adt was unable to load class com.android.ide.eclipse.adt.internal.build.builders.PreCompilerBuilder.
An error occurred while automatically activating bundle com.android.ide.eclipse.adt (330).
Plug-in com.android.ide.eclipse.adt was unable to load class com.android.ide.eclipse.adt.internal.build.builders.PreCompilerBuilder.
An error occurred while automatically activating bundle com.android.ide.eclipse.adt (330).
Error instantiating builder 'com.android.ide.eclipse.adt.ApkBuilder'.
Plug-in com.android.ide.eclipse.adt was unable to load class com.android.ide.eclipse.adt.internal.build.builders.PostCompilerBuilder.
An error occurred while automatically activating bundle com.android.ide.eclipse.adt (330).
Plug-in com.android.ide.eclipse.adt was unable to load class com.android.ide.eclipse.adt.internal.build.builders.PostCompilerBuilder.
An error occurred while automatically activating bundle com.android.ide.eclipse.adt (330).
Error instantiating builder 'com.android.ide.eclipse.adt.ResourceManagerBuilder'.
Plug-in com.android.ide.eclipse.adt was unable to load class com.android.ide.eclipse.adt.internal.build.builders.ResourceManagerBuilder.
An error occurred while automatically activating bundle com.android.ide.eclipse.adt (330).
Plug-in com.android.ide.eclipse.adt was unable to load class com.android.ide.eclipse.adt.internal.build.builders.ResourceManagerBuilder.
An error occurred while automatically activating bundle com.android.ide.eclipse.adt (330).
Error instantiating builder 'com.android.ide.eclipse.adt.PreCompilerBuilder'.
Plug-in com.android.ide.eclipse.adt was unable to load class com.android.ide.eclipse.adt.internal.build.builders.PreCompilerBuilder.
An error occurred while automatically activating bundle com.android.ide.eclipse.adt (330).
Plug-in com.android.ide.eclipse.adt was unable to load class com.android.ide.eclipse.adt.internal.build.builders.PreCompilerBuilder.
An error occurred while automatically activating bundle com.android.ide.eclipse.adt (330).
Error instantiating builder 'com.android.ide.eclipse.adt.ApkBuilder'.
Plug-in com.android.ide.eclipse.adt was unable to load class com.android.ide.eclipse.adt.internal.build.builders.PostCompilerBuilder.
An error occurred while automatically activating bundle com.android.ide.eclipse.adt (330).
Plug-in com.android.ide.eclipse.adt was unable to load class com.android.ide.eclipse.adt.internal.build.builders.PostCompilerBuilder.
An error occurred while automatically activating bundle com.android.ide.eclipse.adt (330).

I didn't do anything.Why would thing like this happened??