4 files changed, 5 insertions, 4 deletions
diff --git a/app/models/concerns/account_avatar.rb b/app/models/concerns/account_avatar.rb
index 5fff3ef5d..2d5ebfca3 100644
--- a/app/models/concerns/account_avatar.rb
+++ b/app/models/concerns/account_avatar.rb
@@ -3,7 +3,7 @@
 module AccountAvatar
   extend ActiveSupport::Concern
 
-  IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif', 'image/webp'].freeze
+  IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif'].freeze
   LIMIT = 2.megabytes
 
   class_methods do
diff --git a/app/models/concerns/account_counters.rb b/app/models/concerns/account_counters.rb
index 3581df8dd..6e25e1905 100644
--- a/app/models/concerns/account_counters.rb
+++ b/app/models/concerns/account_counters.rb
@@ -26,7 +26,8 @@ module AccountCounters
   private
 
   def save_account_stat
-    return unless account_stat&.changed?
+    return unless association(:account_stat).loaded? && account_stat&.changed?
+
     account_stat.save
   end
 end
diff --git a/app/models/concerns/account_header.rb b/app/models/concerns/account_header.rb
index a748fdff7..067e166eb 100644
--- a/app/models/concerns/account_header.rb
+++ b/app/models/concerns/account_header.rb
@@ -3,7 +3,7 @@
 module AccountHeader
   extend ActiveSupport::Concern
 
-  IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif', 'image/webp'].freeze
+  IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif'].freeze
   LIMIT = 2.megabytes
   MAX_PIXELS = 750_000 # 1500x500px
 
diff --git a/app/models/concerns/attachmentable.rb b/app/models/concerns/attachmentable.rb
index 7c78bb456..246c2c27c 100644
--- a/app/models/concerns/attachmentable.rb
+++ b/app/models/concerns/attachmentable.rb
@@ -43,7 +43,7 @@ module Attachmentable
 
       width, height = FastImage.size(attachment.queued_for_write[:original].path)
 
-      raise Mastodon::DimensionsValidationError, "#{width}x#{height} images are not supported" if width.present? && height.present? && (width * height >= MAX_MATRIX_LIMIT)
+      raise Mastodon::DimensionsValidationError, "#{width}x#{height} images are not supported, must be below #{MAX_MATRIX_LIMIT} sqpx" if width.present? && height.present? && (width * height >= MAX_MATRIX_LIMIT)
     end
   end