[z2621] [s2656] Use own SD2 Error log file. Requires C-MaNGOS z2194

Update your configuration file.
Please be so kind to forward errors of the SD2Errors log file to the SD2-Team

You can find C-MaNGOS at github.com/cmangos

(based on commit c68d6e4)

(based on commit b175c6a)