limit to the number of columns that can have filters

In version 3.6, is there a limit to the number of columns that can have filters? I have a grid with about 21 columns, each with a #text_filter. The filter works fine with 20 columns, but the 21st doesn’t work, and I can’t see any difference in the way I invoke it.

There is no limit in the filter numbers.
most probably something is wrong with the grid initialization.
Could you please, provide with the snippet of the code with the init of your grid.

Thanks sematic. It turned out to be a side effect of using the date filter described in

I decided to remove the client-side date filter and do server side date filtering instead, which was a better solution for me anyway - so sorry, I’ve no example to the odd behaviour.