Error when calling rest api

I am calling this rest api
/api/resource/item
but am getting this error … is there any wrong with my calling ?

Traceback (most recent call last):
  File "/home/frappe/benches/bench-2017-09-19/apps/frappe/frappe/app.py", line 62, in application
    response = frappe.api.handle()
  File "/home/frappe/benches/bench-2017-09-19/apps/frappe/frappe/api.py", line 111, in handle
    doctype, **frappe.local.form_dict)})
  File "/home/frappe/benches/bench-2017-09-19/apps/frappe/frappe/__init__.py", line 923, in call
    return fn(*args, **newargs)
  File "/home/frappe/benches/bench-2017-09-19/apps/frappe/frappe/client.py", line 31, in get_list
    limit_start=limit_start, limit_page_length=limit_page_length, ignore_permissions=False)
  File "/home/frappe/benches/bench-2017-09-19/apps/frappe/frappe/__init__.py", line 1129, in get_list
    return frappe.model.db_query.DatabaseQuery(doctype).execute(None, *args, **kwargs)
  File "/home/frappe/benches/bench-2017-09-19/apps/frappe/frappe/model/db_query.py", line 88, in execute
    result = self.build_and_run()
  File "/home/frappe/benches/bench-2017-09-19/apps/frappe/frappe/model/db_query.py", line 100, in build_and_run
    args = self.prepare_args()
  File "/home/frappe/benches/bench-2017-09-19/apps/frappe/frappe/model/db_query.py", line 117, in prepare_args
    self.set_optional_columns()
  File "/home/frappe/benches/bench-2017-09-19/apps/frappe/frappe/model/db_query.py", line 218, in set_optional_columns
    columns = frappe.db.get_table_columns(self.doctype)
  File "/home/frappe/benches/bench-2017-09-19/apps/frappe/frappe/database.py", line 836, in get_table_columns
    return self.get_db_table_columns('tab' + doctype)
  File "/home/frappe/benches/bench-2017-09-19/apps/frappe/frappe/database.py", line 832, in get_db_table_columns
    return [r[0] for r in self.sql("DESC `%s`" % table)]
  File "/home/frappe/benches/bench-2017-09-19/apps/frappe/frappe/database.py", line 165, in sql
    self._cursor.execute(query)
  File "/home/frappe/benches/bench-2017-09-19/env/lib/python2.7/site-packages/MySQLdb/cursors.py", line 250, in execute
    self.errorhandler(self, exc, value)
  File "/home/frappe/benches/bench-2017-09-19/env/lib/python2.7/site-packages/MySQLdb/connections.py", line 50, in defaulterrorhandler
    raise errorvalue
ProgrammingError: (1146, "Table '590a4aa0a64fae39.tabitem' doesn't exist")
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Status: 500

ok i think the link should be case sensitive cuz its worked with “Item”