Finding link loops: A link loop is a logical error in a plan whereby a link or series of links results in a later task imposing a logical constraint on an earlier activity.
Link loops caused by links with maximum lag: In certain circumstances, specifying a maximum lag time on a link can cause a link loop that at first sight does not look like a link loop.
Are you modeling maximal lag?
It looks like you shall be looking for Relationship Free Float [RFF] or Slack:
http://scheduleanalyzer.com/sa_long_theory.htm : Slack is the amount of ‘unused’ time difference between the predecessor and the successor activities. This slack value has nothing to do with the float values or either of the two activities that it relates. It merely indicates how close each predecessor is to becoming the driving relationship for the successor activity.
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21 years 8 monthsFinding link loops: A link
Finding link loops: A link loop is a logical error in a plan whereby a link or series of links results in a later task imposing a logical constraint on an earlier activity.
Link loops caused by links with maximum lag: In certain circumstances, specifying a maximum lag time on a link can cause a link loop that at first sight does not look like a link loop.
It looks like you shall be looking for Relationship Free Float [RFF] or Slack:
You said you are fairly new to planning software but what you are looking for is not for the new to planning!