Zend certified PHP/Magento developer

Request validation failed for action “MagentoCatalogControllerAdminhtmlProductValidateInterceptor” [] []

Can someone guide me on where I can find the issue the validator is concerned over. This is Magento 2.3.4, and the database has gone thru data migration. There are several products that when I display them and then try to save I get an error, the message in the log is what appears in the title of this post.

[2020-03-01 17:36:03] main.DEBUG: Request validation failed for action “MagentoCatalogControllerAdminhtmlProductValidateInterceptor” [] []

These products have many options, I can actually delete three of them and the ability to save comes back. I dont see anything particular to these items. There is an extension that was used Mageworx CustomOptions, but ive not brought it over to Magento2 yet. Other products are doing fine, its just a few that seem to have many options (still trying to narrow down all possibilities). But would be nice to be able to put some debug somewhere that would let me know the particular issue.