[TYPO3-dev] About Direct Mail

[tapio]

Hi

The original direct mail is out of date.
Too complicated to use and categories doesn't have
own database table.

I tried newer alternative but I got

Fatal error: Call to undefined method t3lib_DB::csConv() in 
/var/www/customers/tyouupumuskeskus/public_html/typo3conf/ext/sr_static_info/pi1/class.tx_srstaticinfo_pi1.php 
on line 124

Could someone try to develop modern direct mail or how to get
the newer from Stanislaw Rolland (sr_email_subscribe) to work with typo3 
3.8.1

Could there be some small pathch-files for Typo3 in order to avoid
installing the whole package?