Methodology - 'Manhaj'

Grammatical Errors of the Muhadditheen- In Writing and Speech-Is Not a Reason to Rebuke Their Aqeedah or Manhaj

The article in this link clarifies this issue. Ismaaeel Bin Abee Khalid [rahimahullaah] was a Taabi’ee and he used to make absurd mistakes in his speech! He used to say: [حدثني فلان عن أبوه ]; rather the correct statement should be [حدثني فلان عن أبيه]