Calendar widget wrong URL

Related: https://www.ads-software.com/support/topic/form-404-when-submitted-cannot-take-bookings/

The plugin was updated per post above to remove an extra / that was generating into the links. It seems like yours is the oposit problem – not enough / ! I think this will be to do with your htaccess file rewrite rules – whether to add the trailing / or not. Could you check please?

More info: https://tommcfarlin.com/trailing-slash-in-wordpress/

Another user has reported same issue and fixed it as follows:

all fixed – it was just a case of adding / at the end of my ready url

Could you give that a try please?