input string was not in a correct format

Someone please tell me what does this message mean/

Id #1446 | Release: None | Updated: Oct 12 at 10:40 PM by nooredin | Created: Apr 15 at 6:25 PM by Aches

value can not be null error

hi excuse my English every time i click on green button i receive this error: "...value can not be null" please help me to solve this problem. thank you OS : win 8.1

Id #1436 | Release: None | Updated: Sep 24, 2016 at 12:28 AM by saeidboomba | Created: Sep 24, 2016 at 12:28 AM by saeidboomba

can you do Arabic languish to this app please

can you do Arabic languish to this app please

Id #1410 | Release: None | Updated: Dec 7, 2015 at 7:07 PM by saifo93 | Created: Dec 7, 2015 at 7:07 PM by saifo93

English version

Please create a translation to english - a lot of people would like to use this tool as well:)

Id #1350 | Release: None | Updated: Jul 23, 2015 at 3:41 AM by ElanDong | Created: Jun 3, 2015 at 11:30 AM by pisek

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