Symptoms

You receive the following error on the smart forms when trying to generate PDF after upgrade from 4.6.9 to 4.6.11:

The PDF could not be saved.


•Type: System.FormatException

•Message: The input is not a valid Base-64 string as it contains a non-base 64 character, more than two padding characters, or an illegal character among the padding characters.

•Source: mscorlib
•Method Base
◦Member Type: Method

◦Name: FromBase64_Decode

◦Module
Scope Name: CommonLanguageRuntimeLibrary

◦Declaring Type
Full Name: System.Convert

•Stack Trace:
at System.Convert.FromBase64_Decode(Char* startInputPtr, Int32 inputLength, Byte* startDestPtr, Int32 destLength)

at System.Convert.FromBase64CharPtr(Char* inputPtr, Int32 inputLength)

at System.Convert.FromBase64String(String s)

at SourceCode.Forms.Controls.Web.SaveAsPDFHandler.FixTheme(String html, String serverTheme)

at SourceCode.Forms.Controls.Web.SaveAsPDFHandler.ProcessRequest(HttpContext context)


 

Diagnoses

 
This is known issue with coldfix available for K2 4.6.11 (reference ID for this coldfix is TFS 591163)

Resolution 


Contact K2 support to obtain coldfix for this issue. This issue is adressed in upcoming K2 4.7 release.