This changes were made on Live.

config/sync/field.field.paragraph.slide.field_image.yml

@@ -6,7 +6,14 @@ dependencies:
     - field.storage.paragraph.field_image
     - paragraphs.paragraphs_type.slide
   module:
+    - content_translation
     - image
+third_party_settings:
+  content_translation:
+    translation_sync:
+      alt: alt
+      title: title
+      file: '0'
 _core:
   default_config_hash: UPqViFD1k8_sEfDdjk3x1c_IrqBW8NOZyf1dkqPc-UI
 id: paragraph.slide.field_image
@@ -16,7 +23,7 @@ bundle: slide
 label: Image
 description: ''
 required: false
-translatable: false
+translatable: true
 default_value: {  }
 default_value_callback: ''
 settings: