'xxxxx.wp_icl_strings' doesn't exist for query 

This error has been being appeared for a long time.
I have not noticed this error.

[Sun Jun 18 10:38:32.619059 2017] [:error] [pid 1213] [client 51246] 
WordPress xxxxxxx: 
Table 'xxxxxxxx.wp_icl_strings' doesn't exist for query \n
SELECT s.name, s.value, t.value AS translation_value, t.status\n            
FROM  wp_icl_strings s\n  
          
LEFT JOIN wp_icl_string_translations t ON s.id = t.string_id\n            
WHERE s.context = 'WordPress'\n                
AND (t.language = 'ja' OR t.language IS NULL)\n        
     made by require('wp-blog-header.php'), require_once('wp-load.php'), 
     require_once('wp-config.php'), require_once('wp-settings.php'), 
     WP_Locale->__construct, WP_Locale->init, _x, translate_with_gettext_context,
     apply_filters('gettext_with_context'), WP_Hook->apply_filters, 
     call_user_func_array, 
     WordPress_language_class->icl_sw_filters_gettext_with_context, WordPress_
     language_class->icl_sw_filters_gettext, wp_trans_icl_t, wp_trans_cache_lookup

I found this error in apache has be solved by deactivating plugin “WordPress Language”.
This plugin is not compatible with WordPress 4.8.