Knowledge blocks are not being displayed correctly when inserted in articleDescriptionKnowledge blocks are not being displayed correctly when inserted in article. When you insert a Knowledge block into a Draft Article you do not see the expected knowledge block record associated in the 'block' related list. As a result the inserted knowledge block cannot be viewed.You attempted to debug by copying the code from "KBBlockSNC" into "KBBlocks" and added some logging to both that and "Knowledge block m2m table update". You were able to identify that line 135 in "KBBlockSNC" which is: "return new SNC.KnowledgeBlockSubstitution().getKBBlocksWithCount(kbText);" is returning the output "TypeError: undefined is not a function." Steps to Reproduce: 1. create an article 2. add block 3. submit and publish 4. check if block entry created in m2m_kb_to_block_history" and "m2m_kb_knowledge_to_block" article tabs in related list 5. preview article / or view in portalCauseAfter some investigation, Dev found the root cause was something wrong happened on plugin "com.snc.knowledge_blocks" on this instance. It seems like 'KnowledgeBlockSubstitution' is missing on customer's instance, which came back by repairing the pluginResolutionThis issue was fixed by Dev team repairing the plugin "com.snc.knowledge_blocks" Once you complete the above steps, the block list should populate, and you should be able to view the block.