Well, the MySQL Server variables on server are set as follows.
Check and verify your query accordingly, If you are not sure then submit a support ticket for it.
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| ft_max_word_len | 84 |
| group_concat_max_len | 1024 |
| innodb_max_dirty_pages_pct | 90 |
| innodb_max_purge_lag | 0 |
| max_allowed_packet | 16776192 |
| max_binlog_cache_size | 4294967295 |
| max_binlog_size | 1073741824 |
| max_connect_errors | 20 |
| max_connections | 500 |
| max_delayed_threads | 20 |
| max_error_count | 64 |
| max_heap_table_size | 16777216 |
| max_insert_delayed_threads | 20 |
| max_join_size | 18446744073709551615 |
| max_length_for_sort_data | 1024 |
| max_prepared_stmt_count | 16382 |
| max_relay_log_size | 0 |
| max_seeks_for_key | 4294967295 |
| max_sort_length | 1024 |
| max_sp_recursion_depth | 0 |
| max_tmp_tables | 32 |
| max_user_connections | 200 |
| max_write_lock_count | 4294967295 |
| myisam_max_sort_file_size | 2147483647 |
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EUKMatthew,
System Administrator,
http://eukhost.com