Hello,
we are developing webpart as sandboxed solutions in visual studio 2013 for sharepoint online. We use external dll library SharpZipLib for creating of zip packages of file. We have problem activate this solution. Our error message is shown below.
Error validating assembly 'ICSharpCode.SharpZipLib.dll'.
This solution references prohibited member 'System.Threading.Thread.get_CurrentCulture' and cannot be used on this site collection.
Can anyone helps or advise?
Many thanks.