I installed the 2018 version of SmartStyles, and can reproduce a crash every time. The crash does not occur when I remove the Plugin:
Create a new document;
Choose table, Create new Table;
Drag out the new table (text frame);
Place cursor in a cel, choose Place an place an image (ceel converts to Graphic Cell);
Place cursor in any other cell and right click for context menu: InDesign crashes.
I tested it on two computers: a iMac 27” 2017 and a MacBook Pro 2016.
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