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I tried to add the iink SDK off-screen recognizer to my project and encountered the following error. Can you help me check it out? Please explain if you need more details.

  // Create offscreen editor
        Log.d(TAG, "Starting to create offscreen editor...")
        val offscreenEditor = engine.createOffscreenEditor(1f, 1f)
        if (offscreenEditor == null) {
            Log.e(TAG, "Failed to create offscreen editor, result is null")
            return
        }

        Log.d(TAG, "Offscreen editor created successfully")

        // Configure the editor
        try {
            val configuration = offscreenEditor.configuration
            configuration.inject(config)
            Log.d(TAG, "Editor configuration injected successfully")
        } catch (e: Exception) {
            Log.e(TAG, "Failed to inject editor configuration: ${e.message}")
            e.printStackTrace()
        }

        // Create or open package
        val contentFile = File(dataDir, "OffscreenEditor.iink")
        Log.d(TAG, "Going to create package file: ${contentFile.absolutePath}")

        try {
            // Use a separate variable to avoid expressions
            var contentPackage = engine.createPackage(contentFile)
            if (contentPackage == null) {
                Log.e(TAG, "Failed to create content package, result is null")
                return
            }

            Log.d(TAG, "Content package created successfully")

            // Create part
            var part: ContentPart? = null
            try {
                part = contentPackage.createPart("Number Test Content")
                Log.d(TAG, "Content part created successfully: ${part != null}")
            } catch (e: Exception) {
                Log.e(TAG, "Failed to create content part: ${e.message}")
                e.printStackTrace()
            }

            // Set content part
            if (part != null) {
                try {
                    offscreenEditor.part = part
                    Log.d(TAG, "Editor content part set successfully")
                } catch (e: Exception) {
                    Log.e(TAG, "Failed to set editor content part: ${e.message}")
                    e.printStackTrace()
                }

                // Use main thread handler to delay test execution
                android.os.Handler(android.os.Looper.getMainLooper()).postDelayed({
                    Log.d(TAG, "Starting drawing test...")
                    testDrawNumber(offscreenEditor)
                }, 2000)
            } else {
                Log.e(TAG, "Skipping test because content part is null")
            }

            // Ensure the content package is closed
            try {
                contentPackage.close()
                Log.d(TAG, "Content package closed")
            } catch (e: Exception) {
                Log.e(TAG, "Failed to close content package: ${e.message}")
                e.printStackTrace()
            }
        } catch (e: Exception) {
            Log.e(TAG, "Content package operation failed: ${e.message}")
            e.printStackTrace()
        }
    } catch (e: Exception) {
        Log.e(TAG, "Critical error occurred during test initialization: ${e.message}")
        e.printStackTrace()
    }
}

```

Thank you so much