need to add a 3rd join in from statement - giving error

I am trying to add a 3rd left join however once I added that second select statement I am getting errors.

(SELECT T2.completed,
       (SELECT MAX(completed)
         FROM log',mylogID, '
         WHERE completed < T2.completed) AS 1stcompleted
      FROM log',mylogID, ' T2
      ORDER BY T2.completed
     )TimeOrder2

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There error is

1 Unknown column 'TimeOrder.completed' in 'on clause'

So I am thinking I do not have them nested correctly.

The full code I am using is

SELECT
    @row := @row + 1 AS rownum,
    a.logId,
    L1.recordId,
    L2.recordId AS next_recordId,L3.completed AS 1stCompleted,
    L1.completed,
    L2.completed AS next_completed,
    L1.activityId AS activityJoin,
    L2.activityId AS next_activityId,
    IF(L1.activityId = L2.activityId, 1, NULL) AS isError,
     CASE
        when a.name LIKE ''%Enable%'' THEN time_to_sec(timediff(L2.completed, L1.completed)) / 3600
        ELSE NULL
        END AS coolingHours,
     TO_SECONDS(L2.completed) - TO_SECONDS(L1.completed) AS timeInSeconds,
    ((SUBSTR(l.details, INSTR(l.details, '':'') + 1))) AS charge,
    time_to_sec(timediff(''', endDate, ''', ''', startDate, ''')) / 3600 AS totalTimeRange,
    CONVERT_TZ(''', startDate, ''', ''UTC'', ''US/Pacific'') AS startingDate, 
    CONVERT_TZ(''', endDate, ''', ''UTC'', ''US/Pacific'') AS endingDate,
    ((L1.item', myItemID, ' - L1.item', myItemID2, ') * 
        (TIME_TO_SEC(TIMEDIFF(L2.completed, L1.completed)))) / 3600 AS kwDifference,
    ((L1.item', myItemID, ' - L1.item', myItemID2, ') * (SUBSTR(l.details, INSTR(l.details, '':'') + 1))) AS cost,
    ((((L1.item', myItemID, ' - L1.item', myItemID2, ') * (SUBSTR(l.details, INSTR(l.details,'':'') + 1)))
    * (TIME_TO_SEC(TIMEDIFF(L2.completed, L1.completed)) / 3600))) AS costT,
    DATABASE() AS databaseName, i.itemId ,l.details
FROM
    (SELECT @row:=0)R,
    (SELECT T1.completed,
       (SELECT MIN(completed)
         FROM log',mylogID, '
         WHERE completed > T1.completed) AS next_completed
      FROM log',mylogID, ' T1
      ORDER BY T1.completed
     )TimeOrder,(SELECT T2.completed,
       (SELECT MAX(completed)
         FROM log',mylogID, '
         WHERE completed < T2.completed) AS 1stcompleted
      FROM log',mylogID, ' T2
      ORDER BY T2.completed
     )TimeOrder2
        LEFT JOIN log', mylogID, ' L1 ON (L1.completed = TimeOrder.completed)
        LEFT JOIN log', mylogID, ' L2 ON (L2.completed = TimeOrder.next_completed)
        LEFT JOIN log', mylogID, ' L3 ON (L3.completed = TimeOrder2.1stcompleted)
        LEFT JOIN activities a ON L1.activityId = a.activityId
        LEFT JOIN logs l ON a.logId = l.logId
        inner join items i ON l.logId = i.logId AND i.name LIKE ''%KW PRE%'' 
    )ORDER BY L1.completed')

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