sql - Not unique table/alias: 'usertns_group'1066 Please tell me if you spot the error -

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The code below looks a lot ... but if you can find the error, then let me know ..

I do not see any duplicates of 'usertns_group', so I wonder why the error is happening .. 

  after the post Post 2 as Category 2 post 2 (post.category2_id = postcategory2.category2_id) LEFT JOIN Category as Category 1 Category 2 Category 1_ (1) Category 1 Category 1 Category 1_igd) 1 In Category 1 on TNS_Group (Category 2 Serial 1) 1 NCIDTE_Giz_ID = Category 1tns_group.tns_group_id) Add the user as PostUuser (post.user_id = postuser.user_id) LEFT JOIN tns_group as usertns_group ON (postuser.tns_group_id = usertns_group.tns_group_id ) Leave the job status as poststatus_id = poststatus.status_id) on poststats (post.tns_group_id = posttns_group.tns_group_id)

Thank you .. < / P>

mei usertns_group these tables The name of a column in one of the switch to?


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