vb 4.2.2 to vb5.1.5 error occurred during upgrade

[anwar513]

vb 4.2.2 to vb5.1.5 error occurred during upgrade；

 [CENTER][COLOR=#262D35][FONT=verdana][B][SIZE=12px]Action Required[/SIZE][/B][/FONT][/COLOR][/CENTER]
 
   [CENTER][COLOR=#262D35][FONT=verdana][SIZE=12px] [/SIZE][/FONT][/COLOR]  [LEFT][COLOR=#262D35][FONT=verdana][SIZE=12px][SIZE=11px][B]Unexpected Text:[/B]  
 <?xml version="1.0" encoding="UTF-8"?> <upgrade> </upgrade> <fatal_error> <description><![CDATA[Duplicate route data: blogs/\?\?\?\?\?(?:/page(?P<pagenum>[0-9]+))? occurred in /home/xxxx/domains/xxxx/public_html/core/vb5/route.php in line 660]]></description> </fatal_error> [/SIZE][/SIZE][/FONT][/COLOR][/LEFT]
 
[COLOR=#262D35][FONT=verdana][SIZE=12px]  [/SIZE][/FONT][/COLOR][/CENTER]

How to solve this problem?

[anwar513]

The above error, dozens refresh upgrade was successful, but the problem is more serious garbled



How to solve this problem?

[Mark.B]

In the language settings, what is the HTML Character Set set to?

[anwar513]

Thank you for your reply, this issue is resolved

[captainslater]

How did you solve the problem?

[anwar513]

1. Back up the database before upgrading (Uighur utf8 language originally deleted this time did not delete)
2.Before upgrading core / install / includes / class_upgrade.php this file is opened, Find the following code

$this->db->query_write("CREATE DATABASE " . $vb5_config['Database']['dbname']);

Replace the following code；

$this->db->query_write("CREATE DATABASE " . $vb5_config['Database']['dbname']." DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci");

When upgrading the newly added database coding can be maintained utf8
This upgrade has become

[anwar513]

Reminder: My database is utf8_general_ci