do not write

Why? This year’s abbreviation is easily changeable and could be used against you. The concern is that scammers could easily manipulate a document dated “1/1/20” into “1/1/2000” or even “1/1/2021.”
Writing out the full date “could possibly protect you and prevent legal issues on paperwork,” according to Hamilton County, Ohio, Auditor Dusty Rhodes.

В В В В В attrib -R /S /D *
This should clear the write protection flags for all the files and subdirectories in this project direcotry.

Ensure that the cartridge is all the way on the feed. The ink cartridge has a seal that must be broken to allow the ink to release into the feed. If this has not been broken the ink will not flow.
If your fountain pen is brand new and you are using an ink cartridge it may take some work to get the ink to flow. When you fill a fountain pen using an ink converter or piston fill pen, the ink flows through the nib and feed filling the pen. With a cartridge the ink must flow down through the feed and nib.

References:

http://www.intel.com/content/www/us/en/programmable/support/support-resources/knowledge-base/solutions/rd11082006_826.html
http://www.penchalet.com/pen_faq/new_fountain_pen_does_not_write.html
http://www.spanishdict.com/guide/infinitives-in-spanish