Error during import from phpbb3 to vBulletin
 

Im merging my older phpbb3 forum to my new vbul forum using impex* however im running into issues. This is the error I recieve:

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ImpEx will now Alter the tables in the vB database to include import id numbers. This is needed during the import process for maintaining references between the tables during an import. If you have large tables (i.e. lots of posts) this can take some time. They will also be left after the import if you need to link back to the original vB userid.
moderator - importmoderatorid Completed
usergroup - importusergroupid Completed
ranks - importrankid Completed
poll - importpollid Completed
forum - importforumid Completed
forum - importcategoryid Completed
user - importuserid Completed
style - importstyleid Completed
thread - importthreadid Completed
post - importthreadid Completed
thread - importforumid Completed
smilie - importsmilieid Completed
pmtext - importpmid Completed
avatar - importavatarid Completed
customavatar - importcustomavatarid Completed
customprofilepic - importcustomprofilepicid Completed
post - importpostid Completed
attachment - importattachmentid Completed
pm - importpmid Completed
usernote - importusernoteid Completed
phrase - importphraseid Completed
subscription - importsubscriptionid Completed
subscriptionlog - importsubscriptionlogid Completed Failed Check database permissions and connection* or table prefix to ensure its correct

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Now my old forum in phpbb3 is located in a www/forum directory* while my new vbul board is located in a www/msgboard directory. I edited the config file* however im not sure if this is the issue* therefor ill include whats in it:

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# TARGET - The target is the vBulletin database (where the data is going to)
#
####
$impexconfig['target']['server'] = 'localhost';
$impexconfig['target']['user'] = '***********';
$impexconfig['target']['password'] = '***********';
$impexconfig['target']['database'] = 'vbulletin_forum';
$impexconfig['target']['tableprefix'] = '';
# If the system that is being imported from uses a database*
# enter the details for it here and set 'sourceexists' to true.
# If the source data is NOT stored in a database* set 'sourceexists' to false
$impexconfig['sourceexists'] = true;
####
#
# SOURCE - The source is the old forum database (where the data is coming from)
#
####
# mysql / mssql
$impexconfig['source']['databasetype'] = 'mysqli'; // mysql OR mssql
$impexconfig['source']['server'] = 'localhost';
$impexconfig['source']['user'] = '***********';
$impexconfig['source']['password'] = '***********';
$impexconfig['source']['database'] = 'tunercon_phpb1';
$impexconfig['source']['tableprefix'] = 'phpbb_';

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What am i doing wrong here?