SIGSEV exception initialization of LogLog

I use Log4L inside a dll.
I get SIGSEV exception when it Log4L is doing initialization section:
LogLog = TLogLog.Create

Traced it to the line
AddAppender(TLogODSAppender.Create(''));

This is:
TLogLogger.AddAppender at line:
FAppenders.Add(Appender);

So not sure why get this error during initialization if inside a dll but not when in an exe.
