Not selected database!
Your query SELECT Domain, Text_rus AS Caption, Alias, isVisible FROM ut_terms ORDER BY Domain, Alias could not be execute becose database is not selected.
Use function selectdb(db_name) for the select database
Warning: Attempt to read property "EOF" on null in /home/aismd/clouds.md/include/siteconfig.php on line 116

Fatal error: Uncaught Error: Call to a member function fields() on null in /home/aismd/clouds.md/include/siteconfig.php:118 Stack trace: #0 /home/aismd/clouds.md/site.php(4): include() #1 {main} thrown in /home/aismd/clouds.md/include/siteconfig.php on line 118