fix

app/models/communication/block/template.rb

@@ -45,20 +45,6 @@ class Communication::Block::Template
     university.active_storage_blobs.find id
   end
 
-  def extract_image_alt_and_credit(source, variable)
-    blob = find_blob source, variable
-    return if blob.nil?
-    alt = source["alt"] || source["#{variable}_alt"]
-    credit = source["credit"] || source["#{variable}_credit"]
-    text = source["text"] || source["#{variable}_text"]
-    {
-      blob: blob,
-      alt: alt,
-      credit: credit,
-      text: text
-    }.to_dot
-  end
-
   def data
     block.data || {}
   end

app/models/communication/block/template/base.rb

@@ -133,7 +133,7 @@ class Communication::Block::Template::Base
   end
 
   def blob_with_id(id)
-    university.active_storage_blobs.find id
+    university.active_storage_blobs.find_by id: id
   end
 
   def default_data