Christian Witschel [https://community.jboss.org/people/cwitschel] created the 
discussion

"Re: how to fix "No diagram associated with process" issue?"

To view the discussion, visit: https://community.jboss.org/message/755921#755921

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Hi,
I had the same issue. through empirical study (some might call trial and error) 
I figured your issue can be solved by clicking on the png button at the bottom 
left side of the guvnor process designer. This will generate the process 
picture and offer it to download afterwards. you can discard the download.
the image was created or updated anyway. afterwards build your guvnor package 
and the new image is deployed with it.
you have to repeat this step every time you make visual changes to the process 
or the diagram feature in the console will not work.

I also experienced that using swim lanes will mess up the diagram feature. the 
red arrows will be misplaced. my best guess is, that this is because the 
diagram feature is checking x,y position of the task objects they wand to point 
at. normally fine, but when the task box is within a swim lane box, the x,y is 
a relative value for the position within the swim lane box and not the ususal 
absolute value.

Hope you succeed.
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