Duplicate column name 'session_start' at mt-db2sql.cgi line 53

is the error I'm getting.

any ideas?

I'm trying to move from 3.17 to 4.1, and we were told to upgrade the database first.

I have an immense amount of trackback spam if that affects anything.

My host is using mysql5

Edit: Okay, managed to update from 3.17 to 3.66. Seems to have gotten rid of all the trackback spam (yay). But still trying to upgrade to MySQL and now the error is as follows:

QUOTE
Loading database schema...

Loading data...
MT::Author
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
26
27
28
3
4
5
6
7
8
9

MT::Blog
1
10

An error occurred while loading data:

Insertion test failed on SQL error Column 'blog_name' cannot be null


If this doesn't work I'm going to have to find another way to export my 900+ entries, since the built in export truncates my database.