InDesign crashing after InDesign library usage

Using InDesign tool for importing XML file in vb.net, in this process placing xml contents in box text frames which are created in InDesign libary for diffrent types of box elements, after using InDesign library InDesign is crashing but if InDesign library placement is skipped InDesign completes the process. This issue is happening from yesterday only. What could be the problem in InDesign library .indl? How to fix this? Using InDesign version 20.5.1