Log Error Help!!

[peppolax]

i have this log error
PHP Warning: PHP Startup: Unable to load dynamic library '/php5/lib/php/extensions/tidy.so' - /php5/lib/php/extensions/tidy.so: cannot open shared object file: No such file or directory in Unknown on line 0, referer: ...

this error does not affect in my SugarCrm,but..What is this?? Why I have this error?

Thanks.

I use Sugarcrm Ce 5.5.1

[andopes]

Edit your php.ini and comment the line where "tidy.so" is included.
Restart apache after saving php.ini

Cheers