When inserting a custom search filter, it is possible to specify a select dropdown for the filter.
If you then select the option “Using manually entered values” the following JS error is thrown:
> Uncaught TypeError: c[e].replace is not a function
This issue was introduced in Blocks 1.6
A patch is available.
Download and unzip this file and use it to replace the file of the same name at plugins/wp-views/public/js or plugins/toolset-blocks/public/js