Not able to add a task/delete a task/regenerate the task in Talend Job

[Anonymous]

Hi,
I am very new to Talend.
I am not able to add a task, or delete a task or regenerate a task in Talend job conductor 5.2. It shows some error on the top of the job conductor which is not helpful to troubleshoot my self.
Can anyone help me solving this issue?

Thanks

[Anonymous]

(Does not show Job while creating a new task)