https://community.graphisoft.com/t5/Teamwork-BIMcloud/AC18TW-Could-Not-Upload-the-Library-Invalid-Characters/m-p/199212#M1759 There was recently another thread where the problem was that a color was assigned to a folder and that caused problems. Could this be something similar? Mon, 11 Aug 2014 22:31:20 GMT Laszlo Nagy 2014-08-11T22:31:20Z https://community.graphisoft.com/t5/Teamwork-BIMcloud/AC18TW-Could-Not-Upload-the-Library-Invalid-Characters/m-p/199211#M1758 <DIV class="actalk-migrated-content"><R>Getting loading library error and the main error is a custom icon I had assigned to the folder. If I remove it then it loads if I don't then it gives the invalid character error. This was not a problem with previous TW.<BR /> <IMG src="https://community.graphisoft.com/legacyfs/online/emojis/icon_confused.gif" style="display : inline;" /></R></DIV><BR /><IMG src="https://community.graphisoft.com/t5/image/serverpage/image-id/10056iDED635E7197CC196/image-size/large?v=v2&amp;px=999" border="0" alt="Screen Shot 2014-08-11 at 12.17.51 PM.png" title="Screen Shot 2014-08-11 at 12.17.51 PM.png" /> Mon, 11 Aug 2014 16:28:03 GMT https://community.graphisoft.com/t5/Teamwork-BIMcloud/AC18TW-Could-Not-Upload-the-Library-Invalid-Characters/m-p/199211#M1758 Eduardo Rolon 2014-08-11T16:28:03Z https://community.graphisoft.com/t5/Teamwork-BIMcloud/AC18TW-Could-Not-Upload-the-Library-Invalid-Characters/m-p/199212#M1759 There was recently another thread where the problem was that a color was assigned to a folder and that caused problems. Could this be something similar? Mon, 11 Aug 2014 22:31:20 GMT https://community.graphisoft.com/t5/Teamwork-BIMcloud/AC18TW-Could-Not-Upload-the-Library-Invalid-Characters/m-p/199212#M1759 Laszlo Nagy 2014-08-11T22:31:20Z https://community.graphisoft.com/t5/Teamwork-BIMcloud/AC18TW-Could-Not-Upload-the-Library-Invalid-Characters/m-p/199213#M1760 I had a custom icon applied so it looks like it is similar. Tue, 12 Aug 2014 00:29:04 GMT https://community.graphisoft.com/t5/Teamwork-BIMcloud/AC18TW-Could-Not-Upload-the-Library-Invalid-Characters/m-p/199213#M1760 Eduardo Rolon 2014-08-12T00:29:04Z https://community.graphisoft.com/t5/Teamwork-BIMcloud/AC18TW-Could-Not-Upload-the-Library-Invalid-Characters/m-p/199214#M1761 <A href="http://helpcenter.graphisoft.com/troubleshooting/setup/cross-platform-issues/#Custom_folder_icon_issue" target="_blank"><LINK_TEXT text="http://helpcenter.graphisoft.com/troubl ... icon_issue">http://helpcenter.graphisoft.com/troubleshooting/setup/cross-platform-issues/#Custom_folder_icon_issue</LINK_TEXT></A><BR /> <BR /> AC18 and AC17 build 6004 no longer allow non-cross-platform files/folders in BIM Server Libraries. Custom folder icons on Mac create a file which is invalid on Windows. Thu, 14 Aug 2014 08:36:54 GMT https://community.graphisoft.com/t5/Teamwork-BIMcloud/AC18TW-Could-Not-Upload-the-Library-Invalid-Characters/m-p/199214#M1761 kpaczari 2014-08-14T08:36:54Z