And another missing config

config/field.storage.oc_case.field_trainer.yml

@@ -0,0 +1,23 @@
+uuid: 89971a6a-34b5-41aa-869d-a343c2f96e55
+langcode: en
+status: true
+dependencies:
+  module:
+    - entity_reference_revisions
+    - opencase_cases
+    - paragraphs
+_core:
+  default_config_hash: Pmyzz5YecwFkTwL_KrDpiCYyP24kjfrahEfTN4OZOc4
+id: oc_case.field_trainer
+field_name: field_trainer
+entity_type: oc_case
+type: entity_reference_revisions
+settings:
+  target_type: paragraph
+module: entity_reference_revisions
+locked: false
+cardinality: -1
+translatable: true
+indexes: {  }
+persist_with_no_fields: false
+custom_storage: false