[TYPO3-english] Class 't3lib_SpriteManager' not found

[J. Bakshi (জ বকসী)]

> Hello list, 
> 
> I have migrated a typo3 site running on version 4.2.8 to a different 
> server. Complete file level copy. 
> The frontend is running well. But when try to log into the BE, it throws 
> an error as 
> 
> ` ` ` ` 
> Fatal error: Class 't3lib_SpriteManager' not found in 
> /srv/www/htdocs/xxxxx/typo3conf/temp_CACHED_psd13d_ext_tables.php on line 
> 2752 
> ` ` ` `
... [show rest of quote]

[....]
>> Could you have a look, what the code at this specific line is? It should 
>> also point you to the extension, from which the ext_tables code comes. 
[.....]

Your clue is a live savior for me. The directmail is the extension, which needed to be disable.
Now the migrated site is running fine. BUT the big issue... the original site has directmail
installed and the migrated site is missing it. As the migration is just the exact cloning
of typo3 site file by file including the source code; hence directmail version is same on both 2.6.10

Can you give any further clue ?

Thnaks