Installing and upgrading help

Hello. I have a problem with upgrading moodle 1.9.4+ till 1.9.5+

(mssql_n): DELETE FROM mdl_cache_text  

Warning: mssql_query() [function.mssql-query]: Query failed in D:\moodle\lib\adodb\drivers\adodb-mssql.inc.php on line 715
:

DELETE FROM mdl_cache_text

• line 1377 of lib\dmllib.php: call to debugging()
• line 1702 of lib\weblib.php: call to delete_records()
• line 73 of filter\tex\lib.php: call to reset_text_filters_cache()
• line 3111 of lib\db\upgrade.php: call to filter_tex_updatedcallback()
• line 369 of admin\index.php: call to xmldb_main_upgrade()

(mssql_n): DELETE FROM mdl_cache_filters WHERE filter = 'tex'  

mssql_n internal transformation:
DELETE FROM mdl_cache_filters WHERE filter = 'tex'
to
DELETE FROM mdl_cache_filters WHERE filter = N'tex'

Warning: mssql_query() [function.mssql-query]: Query failed in D:\moodle\lib\adodb\drivers\adodb-mssql.inc.php on line 715
:

DELETE FROM mdl_cache_filters WHERE filter = 'tex'

• line 1377 of lib\dmllib.php: call to debugging()
• line 85 of filter\tex\lib.php: call to delete_records()
• line 3111 of lib\db\upgrade.php: call to filter_tex_updatedcallback()
• line 369 of admin\index.php: call to xmldb_main_upgrade()

(mssql_n): DELETE FROM mdl_cache_filters WHERE filter = 'algebra'  

mssql_n internal transformation:
DELETE FROM mdl_cache_filters WHERE filter = 'algebra'
to
DELETE FROM mdl_cache_filters WHERE filter = N'algebra'

Warning: mssql_query() [function.mssql-query]: Query failed in D:\moodle\lib\adodb\drivers\adodb-mssql.inc.php on line 715
:

DELETE FROM mdl_cache_filters WHERE filter = 'algebra'

• line 1377 of lib\dmllib.php: call to debugging()
• line 86 of filter\tex\lib.php: call to delete_records()
• line 3111 of lib\db\upgrade.php: call to filter_tex_updatedcallback()
• line 369 of admin\index.php: call to xmldb_main_upgrade()

(mssql_n): SELECT top 1 name FROM mdl_config WHERE name = 'version'  

mssql_n internal transformation:
SELECT top 1 name FROM mdl_config WHERE name = 'version'
to
SELECT top 1 name FROM mdl_config WHERE name = N'version'

Warning: mssql_query() [function.mssql-query]: Query failed in D:\moodle\lib\adodb\drivers\adodb-mssql.inc.php on line 715
:

SELECT name FROM mdl_config WHERE name = 'version'

• line 686 of lib\dmllib.php: call to debugging()
• line 1134 of lib\dmllib.php: call to get_recordset_sql()
• line 1098 of lib\dmllib.php: call to get_field_sql()
• line 663 of lib\moodlelib.php: call to get_field()
• line 23 of lib\adminlib.php: call to set_config()
• line 3113 of lib\db\upgrade.php: call to upgrade_main_savepoint()
• line 369 of admin\index.php: call to xmldb_main_upgrade()

(mssql_n): SELECT * FROM mdl_config WHERE id = '-1'  

Warning: mssql_query() [function.mssql-query]: Query failed in D:\moodle\lib\adodb\drivers\adodb-mssql.inc.php on line 715
:

(mssql_n): UPDATE mdl_grade_items SET aggregationcoef = 0 WHERE categoryid IN (SELECT gc.id FROM mdl_grade_categories gc WHERE gc.aggregation = 11)  

Warning: mssql_query() [function.mssql-query]: Query failed in D:\moodle\lib\adodb\drivers\adodb-mssql.inc.php on line 715
:

UPDATE mdl_grade_items SET aggregationcoef = 0 WHERE categoryid IN (SELECT gc.id FROM mdl_grade_categories gc WHERE gc.aggregation = 11)

• line 103 of lib\dmllib.php: call to debugging()
• line 3125 of lib\db\upgrade.php: call to execute_sql()
• line 369 of admin\index.php: call to xmldb_main_upgrade()

Scroll to previous warningUpgrade savepoint: Error during main upgrade to version 2007101546.02Scroll to next warning

Scroll to previous warningMain Upgrade failed! See lib/db/upgrade.phpScroll to continue button

I will be grateful for any help