sql - Circular Reference in MS Access -


i'm getting circular reference error in microsoft access sql. 

select a.plateno, a.colm, a.alain (select plateno, alain, min(inspectiondate) colm       [vehicle spot check] group plateno)   inner join [vehicle spot check] m on (a.alain = m.withoutdefects) , (a.colm = m.inspectiondate)   , (a.plateno = m.plateno);

i'm getting error: 

circular reference caused alias '' in query definition's select list.

i dont know 1 because there no specified field. main suspect m.withoutdefects double checked. there way find this? i'm thinking syntax after "inner join" problem.


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