Shaikh Saaleh Al-Fawzaan [may Allaah preserve him] says:

Clarification must be carried out especially when the one who erred is one followed or has leadership.  And it is not to be said that errors are narrated and will come to pass; rather it should be said, ‘’It is narrated and refuted’’.


[Source: Al-Ijaabaatul Muhimmah Fil Mashaakil Al-Mulimmah page: 236)]