When a workflow is configured to send task notifications, in some instances an error is logged in the HostServer.log file which results in the notifications not being sent.
The following error message is visible in the HostServer.log file located in [INSTALLDIR]\Host Server\Bin:
“The specified string is not in the form required for an e-mail address.”
- Ensure you have K2 4.7 installed.
- Download and Install the K2 4.7 August 2017 Cumulative Update from K2 Partner and Customer Portal.
- Get the K2 4.7 August 2017 Cumulative Update FP8 from Regional Support.
- Install the K2 4.7 August 2017 Cumulative Update FP8 to apply the fix.