in my select query shows errors

Question

  i create one function string split. i am calling that function  in below select query.

 

 My function name is dbo.StringSplits

 

SELECT   [dbo.StringSplits](A.farm_detailsdata),A.farmer_id,A.farmer_season,A.farm_visitno

FROM dbo.tbl_farmer_farmdetails A

INNER JOIN dbo.tbl_farmerregistration  B ON B.farmerctscode = A.farmer_id

 WHERE B.farmerseason = '2018'

 

When i execute the above query shows error as follows

 

Incorrect syntax near 'A'.

 

what is mistake in my above query. please help  me.