Upgrade error: 4.2.2 to 5.2.4

[sulutruk]

I get the following error when I run upgrade.
Old database is: 4.2.2 , target version is: 5.2.4. Screenshot: https://goo.gl/hk5Pks
I can not even catch the record with error, please at least give a hint.

Thanks


Complete error message:


An error has occurred with your database. Please contact vBulletin Support for assistance.

Module: 500a8, Step 3 Database Error:1062

Duplicate entry 'size_gstyle-6-style' for key 'name_lang_type'

Query:

UPDATE phrase SET
varname = CONCAT(varname, '_g', fieldname)
WHERE
varname IN ('0_matches_found', '1_day_ago', ...........LOTS OF STRINGS.....,'yourpmquotaexceeded', 'zero_equals_no_display')
AND
fieldname <> 'global'

[Lynne]

Try running repair/optimize on the phrase table and see if that fixes the problem.