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Could not initialize the package information

An unresolvable problem occurred while initializing the package information.

Please report this bug against the 'update-manager' package and include the following error message:

'E:Type 'n.' is not known on line 3 in source list /etc/apt/sources.list.d/pmcenery-ppa-oneiric.list, E:The list of sources could not be read., E:The package lists or status file could not be parsed or opened.'
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We need more information, like, what command did you run or what you did to get this error message? – Nitin Venkatesh Jan 2 '12 at 21:47
whats the content of the file /etc/apt/sources.list.d/pmcenery-ppa-oneiric.list ? – fossfreedom Jan 2 '12 at 21:53
it just say permission denied when i enter it in terminal – Dajaion Lee Jan 2 '12 at 22:04
When I right click show update i get this message – Dajaion Lee Jan 2 '12 at 23:56
@DajaionLee Can you post the content of the file as requested by fossfreedom? – Karlson Jan 3 '12 at 20:43

OP answered in a comment

I fixed it by sudo nano /etc/apt/sources.list.d/pmcenery-ppa-oneiric.list via terminal and taking n. out of the text

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