pressing Tab doesnt autocomplete about init.lua HOT 2 CLOSED

local cmp = require('cmp')
local cmp_select = {behavior = cmp.SelectBehavior.Select}
local cmp_mappings = lsp.defaults.cmp_mappings({
  ['<C-p>'] = cmp.mapping.select_prev_item(cmp_select),
  ['<C-n>'] = cmp.mapping.select_next_item(cmp_select),
  ['<C-y>'] = cmp.mapping.confirm({ select = true }),
  ["<C-Space>"] = cmp.mapping.complete(),
})

cmp_mappings['<Tab>'] = nil
cmp_mappings['<S-Tab>'] = nil

lsp.setup_nvim_cmp({
  mapping = cmp_mappings
})

local cmp_action = require('lsp-zero').cmp_action()
cmp.setup({
      mapping = {
            ['<CR>'] = cmp.mapping.confirm({select = true}),
            ['<Tab>'] = cmp_action.tab_complete(),
            ['<S-Tab>'] = cmp_action.select_prev_or_fallback(),
     }
})