The client requires that older data be imported into TNG. Although I'm trying to import records from 2011 (as they are included in the Master.csv) the requirement is that only the past few months are displayed. (Update: The client just phoned and suggested I cut down the Master.csv from 2011-2014 to Dec 2013 - Now, will this help?)
Upon install, the Master.csv was renamed to Master.csv.tnginstall. Thereafter TNG was registered/activated.
I then "merged" the legacy Master.csv and the new Master.csv for import by TNG:
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cat Master.csv >> Master.csv.tnginstall && mv Master.csv Master.csv.2014.09.03 && mv Master.csv.tnginstall Master.csv
As per the attached logs (password protected for client's security) it appears that all records were extracted from the Master.csv and are loaded on subsequent restarts of tng (as detailed in the logs).
However, all reports display as blank even though live logging is populated.
PS.
I did notice while writing this post that in the attached logs this error is noted on the second day:
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2014-09-03 17:05:37:121 [1.1.1.11] - AMI Exception:ParseCDRRecordToTNGFormat (- ["","","","","","","","","","","","","","","","","",""[10]]): '' is not a valid date and time.