There may be problem with your query.

check schema name of table which you are going to access through link server.

SELECT '['+SCHEMA_NAME(schema_id)+'].['+name+']'

AS SchemaTable

FROM sys.tables

WHERE NAME='YOUR_TABLE_NAME'

and then access through that schema

select...

there will be modification on subscriber and publisher with different data. so thats why you face this issue:-

Run

SELECT * FROM SYSMERGEARTICLES

there will be a column: conflict_table

select * from conflict_table

your conflict...