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“Paamayim Nekudotayim” means “double colon” in Hebrew; thus this error refers to the inappropriate use of the double colon operator (::). The error is typically caused by an attempt to call a static method that is, in fact, not static.

Possible Solution:

$classname::doMethod();

If the above code causes this error, you most likely need to simply change the way you call the method:

$classname->doMethod();

The latter example assumes that $classname is an instance of a class, and the doMethod() is not a static method of that class.