add capabilities check

init.lua

@@ -395,9 +395,7 @@ require('lazy').setup({
 
       -- Shortcut for searching your neovim configuration files
       vim.keymap.set('n', '<leader>sn', function()
-        builtin.find_files {
-          cwd = vim.fn.stdpath 'config',
-        }
+        builtin.find_files { cwd = vim.fn.stdpath 'config' }
       end, { desc = '[S]earch [N]eovim files' })
     end,
   },
@@ -488,9 +486,7 @@ require('lazy').setup({
 
           -- Execute a code action, usually your cursor needs to be on top of an error
           -- or a suggestion from your LSP for this to activate.
-          map('<leader>ca', function()
-            vim.lsp.buf.code_action { context = { only = { 'quickfix', 'refactor', 'source' } } }
-          end, '[C]ode [A]ction')
+          map('<leader>ca', vim.lsp.buf.code_action, '[C]ode [A]ction')
 
           -- Opens a popup that displays documentation about the word under your cursor
           --  See `:help K` for why this keymap
@@ -508,6 +504,8 @@ require('lazy').setup({
           --    See `:help CursorHold` for information about when this is executed
           --
           -- When you move your cursor, the highlights will be cleared (the second autocommand).
+          local client = vim.lsp.get_client_by_id(event.data.client_id)
+          if client and client.server_capabilities.documentHighlightProvider then
             vim.api.nvim_create_autocmd({ 'CursorHold', 'CursorHoldI' }, {
               buffer = event.buf,
               callback = vim.lsp.buf.document_highlight,
@@ -517,6 +515,7 @@ require('lazy').setup({
               buffer = event.buf,
               callback = vim.lsp.buf.clear_references,
             })
+          end
         end,
       })