This advanced option must be set in an initialization (.ini) file.
This advanced option is system specific and is read from teklastructures.ini. Generally, there is no need to modify system-specific settings. Do not modify them if you are not an administrator.
This advanced option tells the prefix of the application error log files.
If you enter
Tekla Structures creates at least the following log files by default in
TeklaStructures_%USERNAME%.log: log data collected while the program is running
TeklaStructures_%USERNAME%.err: errors collected while the program is running